Problems · by component
2005 Chevrolet Trailblazer Ext fuel system, gasoline problems
502 owner complaints to NHTSA about the 2005 Chevrolet Trailblazer Ext cite fuel system, gasoline, 29% of all 1,703 complaints for this model year.
Complaints
502
29% of all complaints
Crashes
1
Reported by owners
Fires
3
Reported by owners
Injuries
1
Reported by owners
What owners say about the fuel system, gasoline
Verbatim from NHTSA complaints, newest first
“2005 CHEVROLET TRAILBLAZER. CONSUMER WRITES IN REGARDS TO REIMBURSEMENT FOR FUEL LEVEL SENSOR RECALL REPAIRS. *SMD THE CONSUMER STATED THE EXHAUST MANIFOLD NEEDED TO BE REPLACED. THE CONSUMER REQUESTED TO BE REIMBURSED FOR THE SENSOR RECALL AND THE MANIFOLD REPAIRS, *JS”
“THE FUEL GAUGE MALFUNCTIONS AFTER FILLING TANK - IT READS EMPTY IMMEDIATELY AND INTERMITTENTLY THEREAFTER AT ANY FUEL LEVEL. IT MAKES IT DIFFICULT FOR TRAVELING ANY LONG DISTANCE AS YOU ARE NOT QUITE SURE HOW MUCH FUEL IS AVAILABLE OR IF IT WILL SHUT DOWN ON ME DURING A DIFFICULT SITUATION. WE HAVE CONTACTED GM AND THEY WANT TO CHARGE ME TO CHECK IT AND THIS HAS BEEN REPORTED AS A PROBLEM FOR MULTIPLE MODELS TO GM. THIS IS VERY SCARY AS I TRAVEL LONG DISTANCES TO AND FROM WORK EACH DAY - I FEEL THAT THIS PUTS ME IN HARMS WAY. I DON'T BELIEVE THAT I SHOULD PAY TO A DEFECTIVE PART THAT GM KNOWS ABOUT BUT DOESN'T ACKNOWLEDGE. *TR”
“APPROXIMATELY 5 OR 6 MONTHS AGO I STARTED NOTICING WHEN I WOULD FILL MY TANK, THE FUEL GAUGE WOULD NOT REGISTER FULL. I TOOK MY CAR TO THE DEALERSHIP AND THEY TOLD ME IT WAS THE FUEL SENSOR THAT WASN'T WORKING. THEY TOLD ME IT WOULD BE $600 FOR A NEW ONE. I COULDN'T AFFORD THAT, SO NOW I USE MY MILEAGE INDICATOR AS TO WHEN I FILL UP. *TR”
“TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. WHILE DRIVING APPROXIMATELY 25 MPH, THE BRAKES FAILED. THE FAILURE OCCURRED INTERMITTENTLY FOR THREE YEARS. THE DEALER WAS UNABLE TO DUPLICATE THE FAILURE. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 62,000. THE WINDOW REGULATOR, BATTERY CABLE, TANK LEVEL SENSOR, CLUTCH FAN, SERPENTINE BELT, TIGHT OUTER TIE ROD, HOOD LATCH,WATER PUMP, WERE ALL REPLACED. ALSO, THE ROTORS WERE WARPED, DUE TO RUST BY CLIMATE, THE REAR BRAKES PADS WERE WORN AND HAD TO BE REPLACED. THE FRONT ROTORS WERE MACHINED. THERE WAS AN INTERMITTENT SURGE AFTER ACCELERATING FROM A STOP. THERE WAS A SQUEALING NOISE COMING FROM THE BRAKES. THE PASSENGER SIDE BRAKE LIGHTS WERE BLOWING OUT. THE TAIL LIGHT CIRCUIT BOARD WAS REPLACED. THE CHECK ENGINE LIGHT ILLUMINATED, DUE TO A FAULTY EMISSION VENT VALVE AND HOSE ASSEMBLY. THE ABS WAS ENGAGING, WHEN COMING TO A STOP. UPDATED 10/01/14”
“MY TRAIL BLAZER CHECK ENGINE LIGHT STAYS ON WE CANNOT RESET IT. THE FULL GAUGE SAYS IT HAS MORE GAS THEN WHAT IT DOES, I HAVE TO GUESS TO AVOID RUNNING OUR OF GAS. SPEEDOMETER STOPS WORKING THEN IT FIXES ITS SELF. THE RADIO AND LIGHTS SOMETIMES STAY ON, AND KILLS MY BATTERY. *TR”
“MY CAR HAS SHUT DOWN WHILE IDLING AT A STOP SIGN OR RED LIGHT. THE FIRST TIME WAS IN 2006, BUT HAS HAPPENED SEVERAL TIMES SINCE THEN. I'VE TAKEN IT TO THE DEALERSHIP, BUT THEY SAID THAT THEY COULDN'T SEE ANYTHING WRONG WITH MY VEHICLE. I BELIEVE THAT MY FUEL GAUGE IS INACCURATE. IT SHOWED EMPTY, AND, THEN 1/4 TANK. THE REAR WIPER SWEEPS WITHOUT BEING TURNED ON. *TR”
Showing 6 of 502 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.