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U.S. public vehicle records

2003 Chevrolet TRAILBLAZER EXT 370 problems and owner complaints

Explore the records behind recurring owner reports.

Key facts

14 owner complaints analyzed

0 distinct recall campaigns

140,000 mi median reported failure mileage

Scope: 2003 model year. Data updated: . 13 complaints include usable failure mileage. View data status.

Owner-reported patterns

Most common problems

Electrical System is the most frequently named component, appearing in 6 of 14 complaints (42.9%). A complaint can name multiple components.

Recurring terms in complaint narratives
TopicMatching reportsShare of complaints
Electrical and battery issues214.3%
Fuel system concerns17.1%

Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.

Component breakdown

Number of unique complaints naming each component. Top eight shown.

Electrical System
6
Fuel/Propulsion System
3
Exterior Lighting
2
Electronic Stability Control (Esc)
1
Engine
1
Engine And Engine Cooling
1
Structure:Body:Hatchback/Liftgate
1
Tires
1
Component breakdown data
CategoryCount
Electrical System6
Fuel/Propulsion System3
Exterior Lighting2
Electronic Stability Control (Esc)1
Engine1
Engine And Engine Cooling1
Structure:Body:Hatchback/Liftgate1
Tires1

Electrical System: 6; Fuel/Propulsion System: 3; Exterior Lighting: 2; Electronic Stability Control (Esc): 1; Engine: 1; Engine And Engine Cooling: 1; Structure:Body:Hatchback/Liftgate: 1; Tires: 1

Reported problems by failure mileage

Complaint counts in mileage bands. These are not failure rates per vehicle or mile.

Under 25,000
1
25,000 to 49,999
0
50,000 to 74,999
2
75,000 to 99,999
1
100,000 to 149,999
3
150,000 and above
6
Reported problems by failure mileage data
CategoryCount
Under 25,0001
25,000 to 49,9990
50,000 to 74,9992
75,000 to 99,9991
100,000 to 149,9993
150,000 and above6

Under 25,000: 1; 25,000 to 49,999: 0; 50,000 to 74,999: 2; 75,000 to 99,999: 1; 100,000 to 149,999: 3; 150,000 and above: 6

150,000 and above miles has the most reports with usable mileage (6). 1 complaints have missing, zero or invalid mileage.

Complaints over time

Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.

2011
1
2012
1
2014
2
2015
9
2016
1
Complaints over time data
CategoryCount
20111
20121
20142
20159
20161

2011: 1; 2012: 1; 2014: 2; 2015: 9; 2016: 1

Pattern summary

Electrical System leads the component reports. Electrical and battery issues appears in 2 complaint narratives. Fuel system concerns appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.

Calculated from recorded counts. An AI narrative has not been published for this selection.

Complaint evidence

Examples provide context, not a representative sample or a verified diagnosis.

Owner report 10445546 · 2012-01-27 (January 27, 2012)

SPEEDOMETER TACHOMETER AND BATTERY GAUGE DO NOT WORK. *TR

Owner-reported narrative. 60,000 miles reported. Look up ODI 10445546 at NHTSA ↗

Owner report 10817099 · 2015-12-30 (December 30, 2015)

2003 CHEVROLET TRAILBLAZER 370 REAR PASSENGER SIDE DOOR ELECTRICAL WINDOW CONTROL SWITCH WOULD NOT COMPLETELY CLOSE WINDOW . SMELLED LIKE ELECTRICAL WIRE BURNING. HAD VEHICLE STOP AT TIME AND HAD ASSISTANCE IN REMOVING DOOR INTERIOR PANEL AND FOUND ELECTRICAL WINDOW SWITCH COMPLETELY MELTED AND WIRE CONNECTION BURNED . PERSONAL VEHICLE USED ON VACATION, STOPPED JUST OFF HIGHWAY AT TIME . *JS

Owner-reported narrative. 70,000 miles reported. Look up ODI 10817099 at NHTSA ↗

Owner report 10807225 · 2015-11-27 (November 27, 2015)

TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE SURGED FORWARD AND THE RPMS FLUCTUATED WITHOUT WARNING. IN ADDITION, THE CONTACT STATED THAT AN ABNORMAL FUEL ODOR EMITTED FROM THE VEHICLE AS THE CHECK FUEL WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE FUEL TANK VACUUM AND FUEL TANK NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMAT…

Owner-reported narrative. 150,000 miles reported. Look up ODI 10807225 at NHTSA ↗

Explore the data

Vehicle analysis explorer

Inspect model-year patterns, reported mileage, monthly activity and the evidence behind each signal.

Data completeness

14 unique complaints in this selection. Analysis snapshot: 2026-10-01.

92.9%Usable mileage13 / 14 records
100.0%Valid incident date14 / 14 records
100.0%Valid filing date14 / 14 records
100.0%Ordered incident and filing dates14 / 14 records

Missing, zero and invalid mileage is excluded. Dates after the snapshot are excluded. Examples are limited selections, not a representative sample.

Problems by model year

Model-wide comparison of the eight most reported components across the model. Cells show counts and shares within each model year. Open a cell for source examples.

Component complaint heatmap
Component20022003200420052006
Electrical System
233.3%
ODI 10643940 · 204,000 mi

THE `PLATE LIGHT DON T WORK REAR WIPER DOME LIGHT WON T SHUT OFF AUTO DOOR WON T UNLOCK WITH REMOTE SOME TIME DOOR LOCKS AUTO WITH OUT HITTING SWITCH THIS SCARY ALL MY DASH LIGHTS COME ON BUT DON T SHUT DOWN CAR PULL OVER AN RE STARTER IT. *TR

Look up ODI 10643940 at NHTSA ↗

642.9%
ODI 10445546 · 60,000 mi

SPEEDOMETER TACHOMETER AND BATTERY GAUGE DO NOT WORK. *TR

Look up ODI 10445546 at NHTSA ↗

533.3%
ODI 10447852 · 40,000 mi

SWITCHES FOR THE POWER WINDOW AND HEATED DRIVER'S SEAT ON DRIVER'S DOOR PANEL STOPPED WORKING. HEATER FOR DRIVER'S SEAT TURNS ON, ON ITS OWN AND CANNOT BE CONTROLLED WITH THE SWITCH. WHILE THE HEATER FOR DRIVER'S SEAT IS ON, THE INSTRUMENT PANEL FLICKERS. THE HEATER FOR DRIVER'S SEAT TURNS ON AND OFF, ON ITS OWN AND EACH TIME IT COMES ON, THE INSTRUMENT PANEL FLICKERS. *TR

Look up ODI 10447852 at NHTSA ↗

6929.1%
ODI 10161337 · 28,000 mi

I PURCHASED A 2005 CHEVY TRAILBLAZER LESS THAN A YEAR AGO. SINCE THAT TIME THE VEHICLE HAS BEEN IN THE SERVICE CENTER FOUR DIFFERENT TIMES. EACH TIME THE VEHICLE HAS FAILED TO START. THE DEALER STATES THAT THE REAR HATCH MODULE CONTINUES TO SHORT OUT. THIS MODULE CAUSES THE ENTIRE VEHICLE TO SHORT OUT. I HAVE EXPRESSED MY CONCERNS WITH THE SAFETY OF THIS VEHICLE WITH THE DEALER AND HAVE NOT GOTTEN ANYWHERE. I AN A SINGLE MOTHER OF A TWO YEAR OLD. I AM ONLY INTERESTED IN THE SAFETY OF MY CHILD. JACK SCHMITT CHEVROLET OF O'FALLON ILLINOIS…

Look up ODI 10161337 at NHTSA ↗

531.3%
ODI 10380016 · 50,000 mi

TL*THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. THE CONTACT NOTICED THAT THE INSTRUMENT PANEL INCLUDING THE SPEEDOMETER, FUEL GAUGE AND OIL PRESSURE WERE INOPERABLE, CAUSING THEM TO FLUCTUATE AND NOT REMAIN AT A CONSTANT POINT. THE CONTACT WAS UNABLE TO DETERMINE WHAT SPEED HE WAS TRAVELING, HOW MUCH FUEL WAS IN THE VEHICLE, OR HOW MUCH OIL WAS CURRENTLY IN THE VEHICLE. ALSO THE REAR BLOWER MOTOR WAS INOPERABLE. THE DEALER WAS NOTIFIED WHO INFORMED THE CONTACT THAT THE VEHICLE WAS NO LONGER UNDER WARRANTY. THE MANUFACTURER WAS CONTACTED WHO …

Look up ODI 10380016 at NHTSA ↗

Fuel System, Gasoline
00.0%

No examples available for this selection.

00.0%

No examples available for this selection.

320.0%
ODI 10359201 · 74,000 mi

2004 CHEVY TRAILBLAZER EXT NORTHFACE EDITION WITH THE V8 ENGINE IS LEAKING GAS DUE TO A CRACK IN THE GAS TANK AND THE REPAIR IS OVER 1000$, MY TRUCK ONLY HAS 7500 MILES ON IT AND EVERYTHING SEEMS TO BE MESSING UP. *TR

Look up ODI 10359201 at NHTSA ↗

6728.3%
ODI 10233702 · 38,900 mi

THE FUEL GAUGE DOES NOT ACCURATELY REPRESENT THE TRUE AMOUNT OF GAS IN THE TANK. AFTER TALKING WITH CHEVROLET OWNERS AND DOING RESEARCH ON THIS ISSUE, IT SEEMS TO BE A COMMON THEME. THE GAS GAUGE INDICATES THAT THE VEHICLE'S GAS TANK IS EITHER EMPTY AFTER BEING RECENTLY FILLED OR ONLY SLIGHTLY ABOVE THE "E" ON THE GAS GAUGE. IT TAKES ABOUT TWO DAYS OR 12 STATUTORY MILES BEFORE THE GAS GAUGE BEGINS TO DISPLAY AN ACCURATE READING, IF THAT IS EVEN TRUE! ON 30 APRIL 2008, DURING A FAMILY ROAD TRIP, THE GAS GAUGE BEGAN TO DISPLAY THAT THE GAS TA…

Look up ODI 10233702 at NHTSA ↗

212.5%
ODI 10325022 · 47,000 mi

CHECKING FUEL INDICATOR STARTED TO BE STUCK ON BELOW EMPTY CAUSING ME TO RUN OUT OF GAS ON A FEW OCCASIONS. AND FROM MY UNDERSTANDING THIS HAS BEEN A FLAW IN GM TRUCKS FOR SOMETIME NOW. AND THE COST FOR THE REPAIR IS OVER $500.00. THESE VEHICLES COST TOO MUCH MONEY TO HAVE THESE TYPES OF PROBLEMS AND THE DEALER NOT THINK IT IS THERE RESPONSIBILITY TO CORRECT. *TR

Look up ODI 10325022 at NHTSA ↗

Electrical System: Instrument Cluster/Panel
00.0%

No examples available for this selection.

00.0%

No examples available for this selection.

16.7%
ODI 10302293 · 116,000 mi

MY 2004 CHEVY TRAILBLAZER OIL, GAS AND BATTERY GAUGES HAVE ALL STOPPED WORKING. WHEN I TURN ON MY HEATED SEATS THEY SMELL LIKE THEY'RE BURNING!! I HAVE READ 100'S OF COMPLAINTS OF SIMILAR STORIES WITH SAME PROBLEMS. WE NEED A RECALL, IT IS NOT SAFE!!!!! *TR

Look up ODI 10302293 at NHTSA ↗

3213.5%
ODI 10182946 · 41,000 mi

HEATER BLOWER IS GOING OUT, THEN GOES BACK ON IF I TOUCH THE WIRES GOING INTO THE MOTOR HOUSING. NOW THE SPEEDOMETER IS GOING WACKY. SHOWS 120 MPH NEVER GOES BACK TO ZERO. THIS IS AN ONGOING PROBLEM WITH GM PLEASE INVESTIGATE.*JB

Look up ODI 10182946 at NHTSA ↗

00.0%

No examples available for this selection.

Exterior Lighting
233.3%
ODI 10643940 · 204,000 mi

THE `PLATE LIGHT DON T WORK REAR WIPER DOME LIGHT WON T SHUT OFF AUTO DOOR WON T UNLOCK WITH REMOTE SOME TIME DOOR LOCKS AUTO WITH OUT HITTING SWITCH THIS SCARY ALL MY DASH LIGHTS COME ON BUT DON T SHUT DOWN CAR PULL OVER AN RE STARTER IT. *TR

Look up ODI 10643940 at NHTSA ↗

214.3%
ODI 10630361

THIS HAS BEEN GOING ON FOR THREE YEARS SINCE 2011 AT NIGHT AT RANDOM TIMES OUR LOW BEAM HEADLIGHTS GO OUT ON US AS YOUR DRIVING DOWN THE HIGHWAY. THEY MAY COME BACK ON BEFORE YOU GET HOME BUT WE HAVE DROVE 1HR 30 MINUTES AND STILL NOT. WE DID TAKE IT IN SEVERAL TIMES AND THEY CAN NOT FINE A PROBLEM. THEY SAID THEY CAN CHANGE THIS N THAT SENOR BUT COULDN'T SAY THAT WOULD EVEN FIX IT. BUT COST US $$$$$$ WHY CAN'T SOME ONE FINE OUT DO A RECALL WE HATE DRIVING ON OUR HIGHBEAM AND SO DOES THE PEOPLE WE PASS OR GET BEHIND. WE DO TRY AND TURN THEM OF…

Look up ODI 10630361 at NHTSA ↗

16.7%
ODI 10667443 · 92,500 mi

NHTSA RECENTLY POSTED A RECALL OF THE 2006-2009 CHEVY TRAILBLAZER FOR HEADLIGHT ISSUES DUE TO A HEADLAMP DRIVER MODULE (HDM) THAT IS NOT OPERATING CORRECTLY AND CAN CAUSE THE LOW BEAM HEADLAMPS AND DAYTIME RUNNING LIGHTS TO SHUT OFF. I HAVE A 2004 CHEVY TRAILBLAZER EXT 370 AND HAVE THE SAME ISSUE AND IT HAS BEEN ONGOING FOR SEVERAL YEARS. IT HAPPENED MAYBE ONCE IN 2012 AND THEN SEVERAL MONTHS LATER DID IT AGAIN AND NOW IT IS HAPPENING MORE FREQUENTLY (AT LEAST ONCE A WEEK OR SO). PLEASE EXTEND THE RECALL TO ALSO INCLUDE MY VEHI…

Look up ODI 10667443 at NHTSA ↗

125.1%
ODI 10274028 · 4,000 mi

2005 EXT TRAILBLAZER REAR PLASTIC MOLDING CONTAINING THE 3RD BRAKELIGHT SEPARATED FROM THE WINDOW AT LEAST 3X SINCE I HAVE OWNED THIS VEHICLE. ONCE EVEN FALLING COMPLETELY OFF SEVERING THE WIRES AND LANDING IN THE ROADWAY. I NOTICED THE FIRST SEPARATION LESS THAN 6 MONTHS AFTER GETTING VEHICLE BRAND NEW. IT HAS SEPARATED AGAIN AND DEALER SAYS THAT IT IS NOT COVERED UNDER WARRANTY BECAUSE IT IS CONSIDERED COSMETIC EVEN THOUGH THE VEHICLE WAS STILL UNDER LEASE FOR ANOTHER YEAR. HE ALSO INFORMED ME THAT IT HAPPENS TO EVERYONE HE HAS SEEN AND T…

Look up ODI 10274028 at NHTSA ↗

425.0%
ODI 10676455 · 100,000 mi

THE HEADLIGHTS WHILE DRIVING WILL CUT OFF. I HAVE TRIED REPLACING HEADLIGHTS WITH NO SUCCESS. I SAW AN ARTICLE ABOUT A RECALL ON MY CAR PERTAINING TO HEADLIGHTS. WHEN THE ARTICLE STATES YOU GUYS WHERE TOLD IN AN EMAIL, I DON'T SEE THAT RECALL ON YOUR PAGE. PLEASE CONTACT ME WITH INFORMATION TO FIX THIS PROBLEM. ALSO, MY STABILITY CONTROL IS NOT WORKING. THE LIGHT KEEPS COMING ON. *TR

Look up ODI 10676455 at NHTSA ↗

Fuel/Propulsion System
116.7%
ODI 10496224 · 96,853 mi

I HAVE TO PUT GAS IN SLOWLY. IF I SQUEEZE THE PUMP TRIGGER TO MUCH THE GAS SPITS BACK OUT AND ALL OVER ME. I ALSO HAVE TO HOLD THE PUMP TRIGGER UPSIDE DOWN. THE GAS LINE ON THE VEHICLE WAS TAKEN APART AND EVERYTHING WAS FINE. *TR

Look up ODI 10496224 at NHTSA ↗

321.4%
ODI 10807225 · 150,000 mi

TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE SURGED FORWARD AND THE RPMS FLUCTUATED WITHOUT WARNING. IN ADDITION, THE CONTACT STATED THAT AN ABNORMAL FUEL ODOR EMITTED FROM THE VEHICLE AS THE CHECK FUEL WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE FUEL TANK VACUUM AND FUEL TANK NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMAT…

Look up ODI 10807225 at NHTSA ↗

320.0%
ODI 10725807 · 115,869 mi

TL* THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER EXT 370. WHILE IN A PARKING LOT, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS TOWED TO AN INDEPENDENT DEALER. THE TECHNICIAN DIAGNOSED THAT THE FUEL PUMP AND FUEL FILTER NEEDED TO BE REPLACED THE FILLER INLET WAS ALSO CRACKED. THE CONTACT MENTIONED THAT THE FUEL PUMP, THE FUEL FILTER, AND THE HOSE WERE REPLACED. HOWEVER, THE FUEL TANK FILLER INLET WAS NOT. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 115,869.

Look up ODI 10725807 at NHTSA ↗

114.6%
ODI 10471576 · 109,500 mi

FUEL GAUGE WILL READ WRONG. THE GAUGE WILL SUDDENLY DROP DOWN TO EMPTY AND THEN WILL SLOWLY START TO RISE BACK UP AFTER SITTING ON EMPTY FOR A WHILE. ALSO MY VEHICLE WILL JUST STALL OUT AT RED LIGHTS OR WHEN I AM STOPPED IN TRAFFIC. I WILL HAVE TO PUT MY CAR INTO PARK AND RESTART IT QUITE OFTEN. THIS IS OBVIOUSLY A MAJOR PROBLEM AND THERE SHOULD BE SOME RECALLS ON THIS. THIS IS A SAFETY ISSUE. I HAVE READ OF PEOPLES CARS STALLING OUT WHILE THEY ARE DRIVING DOWN THE HIGHWAY AND AM PERSONALLY SCARED OF THIS HAPPENING TO ME WHILE I AM TRANSPORTING…

Look up ODI 10471576 at NHTSA ↗

16.3%
ODI 10700750 · 113,762 mi

TL* THE CONTACT OWNS A 2006 CHEVROLET TRAILBLAZER EXT 370. WHILE DRIVING AT VARIOUS SPEEDS AND WHILE IDLING, THE FUEL GAUGE FLUCTUATED FROM EMPTY TO FULL CONTINUOUSLY AND THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE FAILURE RECURRED NUMEROUS TIMES. THE VEHICLE WAS TAKEN TO A DEALER. THE TECHNICIAN DIAGNOSED THAT THE FUEL LEVEL SENSOR FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 113,762. UPDATED 4/16/15*CN UPDATED 9/29/2017*CN

Look up ODI 10700750 at NHTSA ↗

Fuel System, Other
00.0%

No examples available for this selection.

00.0%

No examples available for this selection.

00.0%

No examples available for this selection.

135.5%
ODI 10245262 · 54,401 mi

I STARTED MY CAR UP THIS MORNING WHEN I NOTICED THAT I HAD ONLY 1/4 TANK OF GAS LEFT, SO I DROVE DOWN TO THE GAS STATION AND FILLED UP UNTIL IT CLICKED. I GOT BACK IN AND STARTED THE CAR AND THE NEEDLE WAS MOVING VERY SLOW THEN IT STOPPED AT 1/4 OF A TANK AND I WAS LIKE THAT IS IMPOSSIBLE. AT FIRST I WAS PISSED BECAUSE I JUST SPENT $77 FILLING UP. THEN I WAS SCARED I THOUGHT MAYBE I HAD A HOLE IN MY FUEL TANK SO I PULLED OVER AND SAW THAT THERE WAS NOTHING LEAKING. IMMEDIATELY DRIVING TO THE AUTO SHOP I AM INFORMED THAT THE FUEL GAUGE ISN'T WOR…

Look up ODI 10245262 at NHTSA ↗

00.0%

No examples available for this selection.

Engine
116.7%
ODI 10627380 · 217,000 mi

WHILE AT THE STOP SIGN, MY ENGINE CUT OFF. *TR

Look up ODI 10627380 at NHTSA ↗

17.1%
ODI 10703557 · 109,654 mi

VEHICLE STARTED LEAVING SPOTS OF OIL ON THE GROUND OVER NIGHT. WAS DRIVING TO WORK ON WEDNESDAY AND A BLUISH CLOUD OF SMOKE WAS TRAILING BEHIND ME. ARRIVED AT WORK AND LET TRUCK COOL DOWN AFTER WHICH I CRAWLED UNDERNEATH AND WITH A MIRROR WAS ABLE TO LOCATE THE LEAKING REAR MAIN SEAL. THIS IS A COMMON PROBLEM WITH GM,S 5.3 LITER ENGINES. MULTIPLE FORUMS ARE POSTING MANY PEOPLE COMPLAINING OF THE SAME ISSUE. GM NEEDS TO STAND BEHIND THERE PRODUCTS AND REPAIR THIS ISSUE WHICH AGAIN IS A WIDE SPREAD KNOWN PROBLEM. *TR

Look up ODI 10703557 at NHTSA ↗

00.0%

No examples available for this selection.

41.7%
ODI 10465761 · 109,000 mi

EXHAUST MANIFOLD DEVELOPED A LEAK WHILE DRIVING ON INTERSTATE 40 BETWEEN NASHVILLE AND JACKSON TN. DRIVER AND PASSENGERS DEVELOPED HEADACHES AND DROWSINESS BEFORE LEAK WAS DISCOVERED BY SOUND DURING STOP FOR GAS. *TR

Look up ODI 10465761 at NHTSA ↗

212.5%
ODI 10700750 · 113,762 mi

TL* THE CONTACT OWNS A 2006 CHEVROLET TRAILBLAZER EXT 370. WHILE DRIVING AT VARIOUS SPEEDS AND WHILE IDLING, THE FUEL GAUGE FLUCTUATED FROM EMPTY TO FULL CONTINUOUSLY AND THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE FAILURE RECURRED NUMEROUS TIMES. THE VEHICLE WAS TAKEN TO A DEALER. THE TECHNICIAN DIAGNOSED THAT THE FUEL LEVEL SENSOR FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 113,762. UPDATED 4/16/15*CN UPDATED 9/29/2017*CN

Look up ODI 10700750 at NHTSA ↗

Air Bags
00.0%

No examples available for this selection.

00.0%

No examples available for this selection.

16.7%
ODI 10669818 · 150,000 mi

MY SON [XXX] WAS INVOLVED IN A SINGLE CAR ACCIDENT (HIT A DEER AND RAN OFF THE ROAD) IN WHICH OUR 2004 CHEVY TRAILBLAZER WAS TOTALED IN A ROLL OVER AND NOT ONE SINGLE AIRBAG DEPLOYED IN THE ACCIDENT. AS A RESULT OF NO AIRBAG HE SMASHED HIS FOREHEAD INTO THE STEERING WHEEL LEAVING A 2 INCH GASH, CUT TO THE BONE. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

Look up ODI 10669818 at NHTSA ↗

52.1%
ODI 10222554 · 25,000 mi

TL*THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER EXT 370. WHILE DRIVING ON AN ICY BRIDGE AT APPROXIMATELY 40 MPH, THE VEHICLE SPUN AND STRUCK A BRICK WALL. THE AIR BAGS FAILED TO DEPLOY. THE CONTACT SUSTAINED INJURIES AND A POLICE REPORT WAS FILED. THE VIN WAS UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 25,000.

Look up ODI 10222554 at NHTSA ↗

00.0%

No examples available for this selection.

Darker cells indicate a larger share of submitted complaints. Components overlap. This measures complaint composition, not failure probability.

Failure mileage by component

Median and middle 50% of usable owner-reported mileages. Ranges require at least five records.

Component failure mileage distribution
ComponentMileage range (25th–75th percentile)MedianUsable recordsExamples
Electrical System70,000–150,000 mi140,000 mi5
ODI 10445546 · 60,000 mi

SPEEDOMETER TACHOMETER AND BATTERY GAUGE DO NOT WORK. *TR

Look up ODI 10445546 at NHTSA ↗

ODI 10652805 · 160,000 mi

WE WERE DRIVING DOWN THE HIGHWAY WHEN OUR REAR PASSENGER DOOR FLEW OPEN, AND WILL NOT STAY CLOSED OR LOCK. WE HAD TO DRIVE WITH SOMEONE BACK THERE HOLDING IT SHUT TIL WE GOT TO A STORE TO RATCHET STRAP IT CLOSED. I CALLED CHEVY WHEN I SEEN IT WAS PART OF A RECALL FOR THE 2005 BUT THEY WOULD NOT LOOK AT MINE BECAUSE IT WAS NOT THE SAME YEAR AS THE RECALL AND WANT ME TO PAY OUT OF POCKET TO FIX THE PROBLEM, AND WOULD NOT TELL ME K=NAME OF THE PART TO SEE IF I COULD BUY IT AND FIX IT OURSELVES A LOT CHEAPER. *TR

Look up ODI 10652805 at NHTSA ↗

ODI 10669711 · 150,000 mi

TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT THE TURN SIGNALS DO NOT FUNCTION PROPERLY AND THE HAZARD LIGHTS ILLUMINATED INSTEAD OF THE TURN SIGNALS. THE CONTACT WAS ABLE TO PRESS THE BUTTON FOR THE HAZARD LIGHTS WHEN NEEDED, BUT NOT THE TURN SIGNALS. THE VEHICLE WAS NOT DIAGNOSED. THE FAILURE CONTINUED AND CAUSED THE FRONT HEADLIGHT ASSEMBLY AND THE REAR HEADLIGHT ASSEMBLY TO SHORT AND DIM WITH NO WARNING. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE M…

Look up ODI 10669711 at NHTSA ↗

Fuel/Propulsion SystemToo few reports for a range150,000 mi3 (sparse)
ODI 10807225 · 150,000 mi

TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE SURGED FORWARD AND THE RPMS FLUCTUATED WITHOUT WARNING. IN ADDITION, THE CONTACT STATED THAT AN ABNORMAL FUEL ODOR EMITTED FROM THE VEHICLE AS THE CHECK FUEL WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE FUEL TANK VACUUM AND FUEL TANK NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMAT…

Look up ODI 10807225 at NHTSA ↗

ODI 10807665 · 21,000 mi

TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER EXT 370. WHILE DRIVING AT VARIOUS SPEEDS, THERE WAS AN ABNORMAL ODOR OF FUEL COMING FROM THE VEHICLE. THE FAILURE RECURRED CONTINUOUSLY. THE CONTACT OBSERVED FUEL DRIPPING FROM THE REAR DRIVER SIDE OF THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 21,000.

Look up ODI 10807665 at NHTSA ↗

ODI 10839742 · 153,000 mi

THERE IS A KNOWN PROBLEM WITH THE GAS TANKS ON THESE VEHICLES. THE VAPORS CAUSE THE CHECK ENGINE LIGHT TO ILLUMINATE. IN NYS THIS CAR WILL NOT PASS THE YEARLY INSPECTION. CHEVROLET HAS AN EXTENDED COVERAGE BULLETIN OUT BUT IT ONLY IS FOR VEHICLES THAT HAVE LES THAN 150,000 MILES ON IT OR ARE NOT OLDER THAN 15 YEARS OLD. WHICHEVER COME FIRST. PRIOR TO THIS, THEIR EXTENDED COVERAGE WAS FOR 150,000 MILES OR 12 YEARS. I WAS EXCLUDED FROM THE FIRST TIME DUE TO AGE OF THE VEHICLE WHEN I PURCHASED IT AND AM NOW EXCLUDED FROM THE SECOND EXTENDE…

Look up ODI 10839742 at NHTSA ↗

Exterior LightingToo few reports for a range150,000 mi1 (sparse)
ODI 10669711 · 150,000 mi

TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT THE TURN SIGNALS DO NOT FUNCTION PROPERLY AND THE HAZARD LIGHTS ILLUMINATED INSTEAD OF THE TURN SIGNALS. THE CONTACT WAS ABLE TO PRESS THE BUTTON FOR THE HAZARD LIGHTS WHEN NEEDED, BUT NOT THE TURN SIGNALS. THE VEHICLE WAS NOT DIAGNOSED. THE FAILURE CONTINUED AND CAUSED THE FRONT HEADLIGHT ASSEMBLY AND THE REAR HEADLIGHT ASSEMBLY TO SHORT AND DIM WITH NO WARNING. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE M…

Look up ODI 10669711 at NHTSA ↗

EngineToo few reports for a range109,654 mi1 (sparse)
ODI 10703557 · 109,654 mi

VEHICLE STARTED LEAVING SPOTS OF OIL ON THE GROUND OVER NIGHT. WAS DRIVING TO WORK ON WEDNESDAY AND A BLUISH CLOUD OF SMOKE WAS TRAILING BEHIND ME. ARRIVED AT WORK AND LET TRUCK COOL DOWN AFTER WHICH I CRAWLED UNDERNEATH AND WITH A MIRROR WAS ABLE TO LOCATE THE LEAKING REAR MAIN SEAL. THIS IS A COMMON PROBLEM WITH GM,S 5.3 LITER ENGINES. MULTIPLE FORUMS ARE POSTING MANY PEOPLE COMPLAINING OF THE SAME ISSUE. GM NEEDS TO STAND BEHIND THERE PRODUCTS AND REPAIR THIS ISSUE WHICH AGAIN IS A WIDE SPREAD KNOWN PROBLEM. *TR

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Engine And Engine CoolingToo few reports for a range157,000 mi1 (sparse)
ODI 10434887 · 157,000 mi

EXHAUST BOLTS HAVE BROKEN ON THE EXHAUST MANIFOLD, THIS VEHICLE HAS THE V8 ENGINE. DEALER EXPLAINS THAT THIS NEEDS FIXED AS CARBON MONOXIDE COULD ENTER THE PASSENGER CABIN. THERE WAS AN ACCIDENT WITH THE VEHICLE A YEAR AGO, I CONTACTED MY INSURANCE COMPANY TO SEE IF IT WAS RELATED TO THE ACCIDENT. THEY CLAIM THAT IT IS NOT RELATED TO THE ACCIDENT AND THAT GM VEHICLES MODEL YEAR 2000 TO 2007 WITH THIS 5.3 V8 ENGINE HAVE REPORTED THESE BOLTS BREAKING AND INFORMED ME TO CONTACT GM ABOUT REIMBURSEMENT FOR REPAIR EXPENSES. I DO NOT HAVE THE $2000 FO…

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Structure:Body:Hatchback/LiftgateToo few reports for a range100,000 mi1 (sparse)
ODI 10705916 · 100,000 mi

TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER EXT 370. WHILE DRIVING VARIOUS SPEEDS, THE HATCH DOOR AJAR LIGHT ILLUMINATED AND FAILED TO LATCH WITHOUT WARNING. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 100,000.

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TiresToo few reports for a range169,141 mi1 (sparse)
ODI 10689484 · 169,141 mi

AFTER A LONG DAY OF WORK, I RETURNED TO MY PARKED VEHICLE TO DISCOVER A TOTALLY FLAT FRONT RIGHT TIRE, ON CLOSER EXAMINATION IT WAS NOTED THAT THE TIRE HAD SPLIT ON THE OUTSIDE SEAM. IT WAS NOTED THAT THE SAME CONDITION OF THE TIRE SPLITTING WAS VISIBLE ON ALL THREE OF THE OTHER TIRES ON THE VEHICLE. FLAT TIRE WAS REPLACED WITH SPARE TIRE THAT HAD NEVER BEEN USED. I RETURNED THE VEHICLE TO THE PLACE THAT I HAD PURCHASED THE TIRES; THE TECH AT THE STORE EXAMINED THE TIRES AND DECLARED THAT ALL FOUR TIRES WERE MANUFACTURED FROM THE SAME BATCH O…

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Complaint and recall timeline

Explore monthly filing activity alongside recall announcements. Up to ten years of monthly history is available.

1 reports2024-112026-10

Solid line: filed complaints. Dashed amber lines: recall announcement dates for this vehicle selection; markers include all recall components. The latest month is partial. Temporal proximity does not establish causation.

Monthly counts, recall campaigns and complaint examples
Monthly complaint and recall timeline
MonthComplaintsCampaigns announcedExamples
2024-110None

No examples available for this selection.

2024-120None

No examples available for this selection.

2025-010None

No examples available for this selection.

2025-020None

No examples available for this selection.

2025-030None

No examples available for this selection.

2025-040None

No examples available for this selection.

2025-050None

No examples available for this selection.

2025-060None

No examples available for this selection.

2025-070None

No examples available for this selection.

2025-080None

No examples available for this selection.

2025-090None

No examples available for this selection.

2025-100None

No examples available for this selection.

2025-110None

No examples available for this selection.

2025-120None

No examples available for this selection.

2026-010None

No examples available for this selection.

2026-020None

No examples available for this selection.

2026-030None

No examples available for this selection.

2026-040None

No examples available for this selection.

2026-050None

No examples available for this selection.

2026-060None

No examples available for this selection.

2026-070None

No examples available for this selection.

2026-080None

No examples available for this selection.

2026-090None

No examples available for this selection.

2026-10 (partial)0None

No examples available for this selection.

Emerging complaint spikes

Complete months in the latest six months with at least 10 complaints, at least twice the preceding 12-month average, and at least three square-root deviations above that average.

This is a descriptive screening rule, not a statistical defect finding. Publicity and reporting changes can increase submissions.

No complete months meet the spike thresholds for this selection.

Equal-age model-year comparison

Model-wide cumulative reports during the first three or five calendar years, starting with the model year (age 0). Only fully elapsed windows are compared.

Age 0Age 1Age 237 reports

2005: 37 complaints · 2006: 2 complaints

Equal observation windows
Model yearThrough age 0Through age 1Through age 2
2005102137
2006012
Date coverage across each selected cohort
Date basis for all complaints in selected model years
YearIncident dates usedFiling date fallbacksExcluded dates
200523700
20061600

Incident date is preferred when valid and no later than filing; otherwise filing date is used. Model year approximates age. Equal observation time does not adjust for sales, distance driven or reporting delays. One complaint linked to multiple model years can appear in each cohort.

Components reported together

Each cell counts unique complaints naming both components. Open a nonzero cell for examples.

Component co-occurrence matrix
ComponentElectrical SystemFuel/Propulsion SystemExterior LightingElectronic Stability Control (Esc)EngineEngine And Engine CoolingStructure:Body:Hatchback/LiftgateTires
Electrical System—0
2
ODI 10630361

THIS HAS BEEN GOING ON FOR THREE YEARS SINCE 2011 AT NIGHT AT RANDOM TIMES OUR LOW BEAM HEADLIGHTS GO OUT ON US AS YOUR DRIVING DOWN THE HIGHWAY. THEY MAY COME BACK ON BEFORE YOU GET HOME BUT WE HAVE DROVE 1HR 30 MINUTES AND STILL NOT. WE DID TAKE IT IN SEVERAL TIMES AND THEY CAN NOT FINE A PROBLEM. THEY SAID THEY CAN CHANGE THIS N THAT SENOR BUT COULDN'T SAY THAT WOULD EVEN FIX IT. BUT COST US $$$$$$ WHY CAN'T SOME ONE FINE OUT DO A RECALL WE HATE DRIVING ON OUR HIGHBEAM AND SO DOES THE PEOPLE WE PASS OR GET BEHIND. WE DO TRY AND TURN THEM OF…

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ODI 10669711 · 150,000 mi

TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT THE TURN SIGNALS DO NOT FUNCTION PROPERLY AND THE HAZARD LIGHTS ILLUMINATED INSTEAD OF THE TURN SIGNALS. THE CONTACT WAS ABLE TO PRESS THE BUTTON FOR THE HAZARD LIGHTS WHEN NEEDED, BUT NOT THE TURN SIGNALS. THE VEHICLE WAS NOT DIAGNOSED. THE FAILURE CONTINUED AND CAUSED THE FRONT HEADLIGHT ASSEMBLY AND THE REAR HEADLIGHT ASSEMBLY TO SHORT AND DIM WITH NO WARNING. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE M…

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1
ODI 10630361

THIS HAS BEEN GOING ON FOR THREE YEARS SINCE 2011 AT NIGHT AT RANDOM TIMES OUR LOW BEAM HEADLIGHTS GO OUT ON US AS YOUR DRIVING DOWN THE HIGHWAY. THEY MAY COME BACK ON BEFORE YOU GET HOME BUT WE HAVE DROVE 1HR 30 MINUTES AND STILL NOT. WE DID TAKE IT IN SEVERAL TIMES AND THEY CAN NOT FINE A PROBLEM. THEY SAID THEY CAN CHANGE THIS N THAT SENOR BUT COULDN'T SAY THAT WOULD EVEN FIX IT. BUT COST US $$$$$$ WHY CAN'T SOME ONE FINE OUT DO A RECALL WE HATE DRIVING ON OUR HIGHBEAM AND SO DOES THE PEOPLE WE PASS OR GET BEHIND. WE DO TRY AND TURN THEM OF…

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0000
Fuel/Propulsion System0—000000
Exterior Lighting
2
ODI 10630361

THIS HAS BEEN GOING ON FOR THREE YEARS SINCE 2011 AT NIGHT AT RANDOM TIMES OUR LOW BEAM HEADLIGHTS GO OUT ON US AS YOUR DRIVING DOWN THE HIGHWAY. THEY MAY COME BACK ON BEFORE YOU GET HOME BUT WE HAVE DROVE 1HR 30 MINUTES AND STILL NOT. WE DID TAKE IT IN SEVERAL TIMES AND THEY CAN NOT FINE A PROBLEM. THEY SAID THEY CAN CHANGE THIS N THAT SENOR BUT COULDN'T SAY THAT WOULD EVEN FIX IT. BUT COST US $$$$$$ WHY CAN'T SOME ONE FINE OUT DO A RECALL WE HATE DRIVING ON OUR HIGHBEAM AND SO DOES THE PEOPLE WE PASS OR GET BEHIND. WE DO TRY AND TURN THEM OF…

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ODI 10669711 · 150,000 mi

TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT THE TURN SIGNALS DO NOT FUNCTION PROPERLY AND THE HAZARD LIGHTS ILLUMINATED INSTEAD OF THE TURN SIGNALS. THE CONTACT WAS ABLE TO PRESS THE BUTTON FOR THE HAZARD LIGHTS WHEN NEEDED, BUT NOT THE TURN SIGNALS. THE VEHICLE WAS NOT DIAGNOSED. THE FAILURE CONTINUED AND CAUSED THE FRONT HEADLIGHT ASSEMBLY AND THE REAR HEADLIGHT ASSEMBLY TO SHORT AND DIM WITH NO WARNING. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE M…

Look up ODI 10669711 at NHTSA ↗

0—
1
ODI 10630361

THIS HAS BEEN GOING ON FOR THREE YEARS SINCE 2011 AT NIGHT AT RANDOM TIMES OUR LOW BEAM HEADLIGHTS GO OUT ON US AS YOUR DRIVING DOWN THE HIGHWAY. THEY MAY COME BACK ON BEFORE YOU GET HOME BUT WE HAVE DROVE 1HR 30 MINUTES AND STILL NOT. WE DID TAKE IT IN SEVERAL TIMES AND THEY CAN NOT FINE A PROBLEM. THEY SAID THEY CAN CHANGE THIS N THAT SENOR BUT COULDN'T SAY THAT WOULD EVEN FIX IT. BUT COST US $$$$$$ WHY CAN'T SOME ONE FINE OUT DO A RECALL WE HATE DRIVING ON OUR HIGHBEAM AND SO DOES THE PEOPLE WE PASS OR GET BEHIND. WE DO TRY AND TURN THEM OF…

Look up ODI 10630361 at NHTSA ↗

0000
Electronic Stability Control (Esc)
1
ODI 10630361

THIS HAS BEEN GOING ON FOR THREE YEARS SINCE 2011 AT NIGHT AT RANDOM TIMES OUR LOW BEAM HEADLIGHTS GO OUT ON US AS YOUR DRIVING DOWN THE HIGHWAY. THEY MAY COME BACK ON BEFORE YOU GET HOME BUT WE HAVE DROVE 1HR 30 MINUTES AND STILL NOT. WE DID TAKE IT IN SEVERAL TIMES AND THEY CAN NOT FINE A PROBLEM. THEY SAID THEY CAN CHANGE THIS N THAT SENOR BUT COULDN'T SAY THAT WOULD EVEN FIX IT. BUT COST US $$$$$$ WHY CAN'T SOME ONE FINE OUT DO A RECALL WE HATE DRIVING ON OUR HIGHBEAM AND SO DOES THE PEOPLE WE PASS OR GET BEHIND. WE DO TRY AND TURN THEM OF…

Look up ODI 10630361 at NHTSA ↗

0
1
ODI 10630361

THIS HAS BEEN GOING ON FOR THREE YEARS SINCE 2011 AT NIGHT AT RANDOM TIMES OUR LOW BEAM HEADLIGHTS GO OUT ON US AS YOUR DRIVING DOWN THE HIGHWAY. THEY MAY COME BACK ON BEFORE YOU GET HOME BUT WE HAVE DROVE 1HR 30 MINUTES AND STILL NOT. WE DID TAKE IT IN SEVERAL TIMES AND THEY CAN NOT FINE A PROBLEM. THEY SAID THEY CAN CHANGE THIS N THAT SENOR BUT COULDN'T SAY THAT WOULD EVEN FIX IT. BUT COST US $$$$$$ WHY CAN'T SOME ONE FINE OUT DO A RECALL WE HATE DRIVING ON OUR HIGHBEAM AND SO DOES THE PEOPLE WE PASS OR GET BEHIND. WE DO TRY AND TURN THEM OF…

Look up ODI 10630361 at NHTSA ↗

—0000
Engine0000—000
Engine And Engine Cooling00000—00
Structure:Body:Hatchback/Liftgate000000—0
Tires0000000—

Co-reporting does not establish that one component caused another concern.

Recurring narrative patterns

Specific keyword mentions beyond broad component labels. Matching includes negations and comparisons and does not confirm a diagnosis.

1 patterns with matching reports.

Warning lights and dashboard alerts

2 mentions · 14.3% of complaints

Median mileage: 151,500 mi (2 usable records).

ODI 10807225 · 150,000 mi

TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE SURGED FORWARD AND THE RPMS FLUCTUATED WITHOUT WARNING. IN ADDITION, THE CONTACT STATED THAT AN ABNORMAL FUEL ODOR EMITTED FROM THE VEHICLE AS THE CHECK FUEL WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE FUEL TANK VACUUM AND FUEL TANK NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMAT…

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ODI 10839742 · 153,000 mi

THERE IS A KNOWN PROBLEM WITH THE GAS TANKS ON THESE VEHICLES. THE VAPORS CAUSE THE CHECK ENGINE LIGHT TO ILLUMINATE. IN NYS THIS CAR WILL NOT PASS THE YEARLY INSPECTION. CHEVROLET HAS AN EXTENDED COVERAGE BULLETIN OUT BUT IT ONLY IS FOR VEHICLES THAT HAVE LES THAN 150,000 MILES ON IT OR ARE NOT OLDER THAN 15 YEARS OLD. WHICHEVER COME FIRST. PRIOR TO THIS, THEIR EXTENDED COVERAGE WAS FOR 150,000 MILES OR 12 YEARS. I WAS EXCLUDED FROM THE FIRST TIME DUE TO AGE OF THE VEHICLE WHEN I PURCHASED IT AND AM NOW EXCLUDED FROM THE SECOND EXTENDE…

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Matching rule\b(warning light\w*|check engine|dashboard warning\w*|malfunction indicator)\b