Problems · by component
2004 Chevrolet Trailblazer fuel system, gasoline problems
125 owner complaints to NHTSA about the 2004 Chevrolet Trailblazer cite fuel system, gasoline, 9% of all 1,368 complaints for this model year.
Complaints
125
9% of all complaints
Crashes
1
Reported by owners
Fires
0
Reported by owners
Injuries
1
Reported by owners
What owners say about the fuel system, gasoline
Verbatim from NHTSA complaints, newest first
“TL* THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. THE CONTACT STATED THE HE NOTICED A FUEL ODOR EMITTING FROM UNDERNEATH THE DRIVER'S SIDE OF THE VEHICLE. THE CONTACT ALSO STATED THAT THE FUEL MILEAGE HAD ALSO DECREASED WHEN DRIVING THE VEHICLE. THE CONTACT TOOK THE VEHICLE TO HAVE AN EVAP SMOKE TEST PERFORMED ON HIS VEHICLE. THE RESULT OF THE TEST DISCOVERED THAT A CRACK HAD FORMED ON THE FUEL NECK THAT CONNECTS TO THE FUEL TANK, WHICH WAS THE CAUSE OF THE FAILURE. THE CONTACT THEN SPOKE WITH J.B.A. CHEVROLET (7327 RITCHIE HWY, GLEN BURNIE, MD 21061) WHERE HE WAS INFORMED THAT THERE WERE NO RECALLS ON THE VEHICLE FOR THE FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 126,432.”
“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.”
“2004 CHEVROLET TRAILBLAZER. CONSUMER WRITES IN REGARDS TO CUSTOMER RELATIONSHIP SPECIALIST DISMISSIVE AND PREMATURE FILE CLOSURE OF DEFECTIVE VEHICLE FUEL TANK INLET CHECK VALVE FRACTURE PROBLEM WITH NO CURRENT REPAIR SOLUTIONS. *SMD”
“2004 CHEVROLET TRAILBLAZER. CONSUMER WRITES IN REGARDS TO FUEL TANK INLET CHECK VALVE MILEAGE RESTRICTIONS REPAIR ISSUES. *SMD THE DEALER WOULD NOT HONOR THE SPECIAL COVERAGE ADJUSTMENT PROGRAM, BECAUSE THE CONSUMER'S VEHICLE HAD HIGH MILEAGE. *JB”
“STARTING ABOUT A FEW WEEKS AGO MY 2004 CHEVY TRAILBLAZER EXT HAS REEKED OF UNSPENT GASOLINE, AND THIS SMELL CONSUMES THE ENTIRE INTERIOR AND EXTERIOR OF THE VEHICLE. THE VEHICLE ALSO HAS SMALL LEAK BELOW RESERVOIR WHICH APPEARS TO BE LEAKING UNSPENT FUEL. CHEVY OFFERED A "SPECIAL COVERAGE" TO CORRECT THIS ISSUE (CORROSION ON TOP OF FUEL TANK RESERVOIR), HOWEVER IT ONLY COVERS VEHICLES UNDER 10 YEARS OF AGE AND UNDER 120K MILES. MY VEHICLE IS UNDER THAT MILEAGE, HOWEVER THIS REPAIR WILL NOT BE COVERED DUE TO AGE OF VEHICLE (MINE WAS ASSEMBLED IN MARCH). THIS ISSUE IS A MAJOR SAFETY CONCERN, AS ANY SMALL SPARK COULD CAUSE THIS VEHICLE TO IGNITE. I CANNOT CONTINUE TO DRIVE MY VEHICLE, AND FEEL THIS NEEDS TO BE RECTIFIED BEFORE IT CAUSES CATASTROPHIC LOSS (EITHER BUILDING OR PERSONAL). *TR”
“WAS CONSTANTLY HAVING THE SERVICE ENGINE LIGHT SOON COME ON. WENT TO MY REPAIR SHOP AND THEY SAID I NEEDED TO REPLACE MY GAS CAP. THEY RESET THE SENSOR AND REPLACED MY GAS CAP. SAME THING HAPPENED ON AND OFF OVER THE LAST 9 MONTHS. ON JULY 18TH IT HAPPENED AGAIN . TOOK IT TO DIFFERENT SHOP AND THEY PERFORMED A SMOKE TEST AND FOUND A CRACK IN THE GAS TANK WHERE THE FILLER TUBE IS, SO WHEN THE GAS TANK IS FULL IT LEAKS OR WHEN YOU CORNER. NOT A LOT BUT I WOULD ASSUME THAT ANY WOULD BE BAD CONSIDERING THE EXHAUST PIPE IS RIGHT THERE. LOOKING ONLINE I FOUND NHTSA ALREADY HAD AN ITEM REGARDING THIS ISSUE ITS NUMBER IS PE07014. I CONTACTED CHEVY AND WAS TOLD THAT MY VIN NUMBER WAS NOT ATTACHED TO THE ACTION BUT IT IS THE SAME ISSUE THAT WAS NOTED ON THE NHTSA ACTION NOTICE AND RESEARCH I PERFORMED ON THE WEB. DID THEY TELL YOU THAT THEY WERE ONLY GOING TO COVER CERTAIN VIN. I COULD NOT FIND THIS ANYWHERE ON YOUR SITE. BUT COULD HAVE MISSED IT. *TR”
Showing 6 of 125 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.