Problems · by component
2004 Chevrolet Trailblazer fuel/propulsion system problems
59 owner complaints to NHTSA about the 2004 Chevrolet Trailblazer cite fuel/propulsion system, 4% of all 1,368 complaints for this model year.
Complaints
59
4% of all complaints
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
Reported by owners
What owners say about the fuel/propulsion system
Verbatim from NHTSA complaints, newest first
“AS YOU COME TO A COMPLETE STOP OR GO UNDER 5 MPH, THE VEHICLE'S OIL GAUGE WILL GO ALL THE WAY DOWN. ONCE YOU ACCELERATE, THE OIL GAUGE GOES BACK TO NORMAL. WHEN PUMPING GAS INTO THE VEHICLE, THE GAS PUMP WILL RESET AS IF THE GAS TANK IS FULL BUT THE GAUGE SHOWS IT'S HALF EMPTY. *TR”
“I OWN A 2004 CHEVROLET TRAILBLAZER EXT AND JUST LIKE THE THOUSANDS OF OTHERS MINE HAS A DEFECTIVE GAS TANK FILLER ON THE TOP OF THE TANK. IT'S A KNOWN BAD PART FEOM THE FACTORY. MINE HAS HAD A HOLE FOR A WHILE NOW. IT CAN LITERALLY LEAK OVER 10 GALLONS OF GAS A DAY IF YOU FILL THE TANK TO FULL. EVEN IF YOU DON'T THE SMELL OF GAS IN AND AROUND THE VEHICLE IS TERRIBLE. MY CHECK ENGINE LIGHT IS ON BECAUSE OF IT. IT RUNS LIKE CRAP BECAUSE OF IT. WHAT'S MORE DANGEROUS THAN SPILLING GAS EVERYWHERE YOU GO!? SOME PEOPLE HAVE HAD CHEVY PAY FOR THE REPAIRS ON THERE 2004 TRAILBLAZER. LOOK IT SHOULDN'T MATTER WHAT YOUR VIN# IS OR HOW MANY MILES AT THIS POINT (I JUST HIT 150,000) THE GAS TANKS ON THESE VEHICLES ARE FAULTY, THEY'RE DANGEROUS, THEY'RE EXSPENSIVE. I SURELY DONT HAVE $800-$1500 LAYING AROUND TO FIX A PART THAT IS KNOWN AND PROVEN TO BE BAD. WE ALL KNOW TBEY ARE BAD, CHEVROLET KNOWS IT, THE NHTSA KNOWS IT. THE KICKER IS YOU CANT EVEN FIND USED GAS TANKS FOR THESE THINGS TO SAVE MONEY. EVERY SINGLE ONE IS JUNK OR ALREADY REPLACED ONE THAT WAS JUNK. IT IS COMPLETELY CRAZY THAT THE OWNERS OF THESE VEHICLES WHERE NEVER PROBABLY TAKEN CARE OF IN REGARDS TO THIS ISSUE WITH THE GAS TANKS”
“MY WIFE CALLED ME FROM WORK COMPLAINING OF STRONG GAS SMELL, AFTER LOOKING AROUND AND UNDER VEHICLE FOUND NOTHING LOOKED AGAIN WHEN WE BROUGHT IT HOME ,BUT LEFT IT RUNNING THIS TIME AND GAS IS POURING OUT FROM RUSTED FITTINGS ON TOP OF THE TANK.”
“TL* THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE SERVICE ENGINE LIGHT WARNING INDICATOR ILLUMINATED AND THERE WAS AN ABNORMAL FUEL ODOR IN THE VEHICLE. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE VEHICLE NEEDED A FUEL CAP. THE VEHICLE WAS REPAIRED HOWEVER UPON FURTHER INSPECTION THE TECHNICIAN INFORMED THE CONTACT THAT THE FUEL HOSE HAD A TEAR AND THE FUEL PUMP MODULE WOULD NEED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE CONTACT REFERENCED NHTSA CAMPAIGN: 09V419000 ( FUEL SYSTEM, GASOLINE) AS A POSSIBLE SOLUTION TO THE FAILURE HOWEVER THE VIN WAS NOT INCLUDED. THE FAILURE MILEAGE WAS APPROXIMATELY 162,000.”
“AFTER FUELING,WHEN DRIVING AND WHILE STATIONARY THE SMELL OF GAS FUMES INSIDE THE VEHICLE VERY STRONG DIFFICULTYSTARTING AND NOW WONT START AT ALL UPON FURTHER SELF INVESTAGATION FUEL IS COMIMING OUT ON TOP OF FUEL TANKSMALL HOLES SEEM TO EXIST WHERE FUEL IS COMING OUT HOW EVER I CANT GET IN FAR ENOUGH TO SEE THIS WAS DETERMINED BY FEELING AROUND ON THE FUEL TANK.”
“LET ME BEGIN WITH STATING THAT MY 2004 TRAILBLAZER HAS HAD ITS SERVICE ENGINE SOON (SES) LIGHT ON FOR WELL OVER A YEAR DUE TO A LARGE EVAP LEAK (CODE P0455). AS A RESULT, I HAVE TAKEN IT TO TWO MECHANICS, HAD THE PURGE SOLENOID VALVE REPLACED TWICE, HAD A PLETHORA OF SMOKE TESTS AND ALL OTHER TESTS DONE, WITH NO RESOLVE. I RECEIVED A LETTER FROM GM (DATED A YEAR BEFORE) JUST A COUPLE WEEKS AGO STATING THAT "SOME 2004 MODEL YEAR CHEVROLET TRAILBLAZER VEHICLES MAY CONTAIN A FUEL TANK INLET CHECK VALVE (ICV) THAT COULD FRACTURE.. A FRACTURED ICV COULD ALLOW FUEL VAPORS TO PASS THROUGH AND DROPLETS OF FUEL TO ACCUMULATE ON THE SIDE OF THE FUEL TANK". THE LETTER GOES ON TO DESCRIBE THAT GM WILL REPAIR THE ICV IF THE CONDITION OCCURS WITHIN 15 YEARS THE VEHICLE WAS ORIGINALLY PLACED IN SERVICE OR 150,000 MILES, WHICHEVER COMES FIRST. MY TRAILBLAZER HAS BEEN IN SERVICE FOR 12 YEARS, HOWEVER I JUST PASSED 155,000 MILES. HAD I BEEN NOTIFIED AROUND THE TIME THE LETTER WAS SUPPOSED TO ARRIVE, I COULD HAVE EASILY TAKEN MY TRAILBLAZER TO THE DEALERSHIP AND HAD THIS REPAIR DONE WITH NO QUALMS. HOWEVER, BECAUSE I HAVE PASSED THE 150,000 MILE MARK, GM REFUSES TO COVER THIS…”
Showing 6 of 59 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.