There are 50 owner-reported fuel system complaints for the 2004 Chevrolet Trailblazerin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
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.
SMELL OF GAS WHEN DRIVING VERY STRONG MUST DRIVE WITH WINDOW OPEN
THE CABIN SMELLS VERY STRONGLY OF GAS AND AS IS LEAKING FROM UNDER THE VEHICLE WHEN DRIVEN.
RUSTED FUEL LINES- GARAGE CHECKED STRONG FUEL SMELL AND DISCOVERED RUSTED FUEL FILLER AND LINES
FUEL PRESSURE REGULATOR IS LEAKING
STRONG SMELL OF RAW GAS
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.
I'VE BEEN GETTING A RAW SMELL OF GAS WHILE DRIVING.
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 REPAIR. THIS IS EXTREMELY UPSETTING CONSIDERING THE OBVIOUS SAFETY RISK PRESENTED WITH "DROPLETS OF FUEL ACCUMULATING ON THE SIDE OF THE FUEL TANK". WHEN SPEAKING TO A GM REPRESENTATIVE THIS MORNING, I WAS TOLD TO TAKE MY CAR TO A DEALERSHIP AND THIS WOULD BE AN OUT-OF-POCKET EXPENSE. CONSIDERING THE SAFETY ISSUE, I WANT MY TRAILBLAZER TO BE REPAIRED AND COVERED BY GM AS IT SHOULD BE FOR ALL TRAILBLAZER AND ENVOY OWNERS WITH THIS PROBLEM.
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.
TL* THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. WHEN THE VEHICLE WAS STARTED, A STRONG ODOR OF FUEL WAS PRESENT. THE VEHICLE WAS DRIVEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THERE WAS A FAILURE WITH THE FUEL TANK. THE VEHICLE WAS KEPT AT THE DEALER FOR FOUR WEEKS. THE DEALER STATED THAT THE PART NEEDED TO REPAIR THE VEHICLE WAS NOT AVAILABLE AND NEEDED TO BE ORDERED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 46,500. ...UPDATED 07/13/16 *BF .....UPDATED 08/11/16 *BF
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
MY VEHICLE IS IN THE GM SPECIAL COVERAGE ADJUSTMENT PROGRAM NUMBER 07099 AND IS UNDER THE GM SPL COVERAGE PGM UPDATE 14423. I WAS NOTIFIED THAT THE ICV COULD FRACTURE AND CREATE AN 'ENGINE SERVICE SOON' LIGHT. THAT LIGHT WAS ACTIVATED IN FEBRUARY. I TOOK IT IN, IT'S THE ICV. THEY SAID THEY'D REPLACE THE FUEL TANK AS SOON AS THEY COULD GET PARTS. THEY STILL DON'T HAVE THE REPLACEMENT -- AND SAY IT COULD BE MAY OR JUNE. MEANWHILE THE 'CHECK ENGINE' LIGHT COULD BE ON FOR ICV -- OR IT COULD BE ANOTHER PROBLEM. WITH DRIPPING FUEL OUT IN THE OPEN, IT'S A SAFETY HAZARD -CAN'T BE USED ON A TRIP AND CAN'T BE SOLD/TRADED AS IT'S DEFECTIVE.
GAS LEAKING AT FUEL PRESSURE REGULATOR AT 15 DEGREES F. SMELL OF GAS FUMES IN TRUCK LEAD ME TO INVESTIGATE PROBLEM. CAR WAS NOT MOVING. USED REMOTE START ON COLD DAY, GOT IN TRUCK AND SMELL FUMES @ 10AM SATURDAY MORNING. FULL DAYLIGHT, SAW GAS COMMING FROM SEAL OF PART, FUEL PRESSURE REGULATOR.
ENVIAN UN RECALL CUANDO YA LA GARANTIA SE ACABO Y AHORA NO QUIEREN HONRARLA AUN CUANDO ES UN PROBLEMA DE GASOLINA POR ENDE DE SEGURIDAD.
RECEIVED A LETTER FROM GM REGARDING POTENTIAL PROBLEM WITH FUEL TANK INLET VALVE. TOOK VEHICLE TO DEALER LEN STOLER, INC IN WESTMINSTER MD IN DECEMBER. PROBLEM WAS DIAGNOSED AS A FUEL TANK INLET VALVE FRACTURE. ON DEC 3RD 2015 FUEL TANK WAS REPLACED AND INSPECTION DONE. SUBSEQUENT TO SERVICE WHEN FUEL WAS PLACED IN VEHICLE GAS POURED OUT ON PAVEMENT. PRIOR TO THAT SERVICE THIS WAS NOT AN ISSUE ONLY THE SMELL OF FUEL IN THE INTERIOR AND A FEW DROPS OF FUEL NOTED. TOOK VEHICLE BACK TO DEALER AND PROBLEM NOW DIAGNOSED AS INLET PIPE FRACTURE. WAS TOLD I WOULD HAVE TO PAY FOR THIS SERVICE, DESPITE SERVICE DEPT HAVING NOT MENTIONED THIS WHEN FUEL TANK WAS REPLACED AND VEHICLE INSPECTED AND LEFT DEALER IN UNSAFE OPERATING CONDITION. PART WAS NOT AVAILABLE AND WAS TOLD I SHOULD DRIVE IT AND HAVE WORK DONE LATER. SINCE THIS PART IS CONNECTED TO FUEL TANK SHOULD HAVE BEEN NOTICED WHEN FUEL TANK WAS REPLACED AND WORK DONE AT THAT TIME.
TL* THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE VEHICLE EMITTED A STRONG FUEL ODOR WHILE DRIVING AND THE CHECK ENGINE WARNING LIGHT REMAINED ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THERE WAS A LEAK CODE AT THE EVAPORATION SYSTEM. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 150,300.
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
ON NOVEMBER 19, 2015, I RECEIVED A LETTER FROM CHEVROLET, P.O. BOX 909989, MILWAUKEE, WI 53209-9989, DATED NOVEMBER 2015, NOTIFYING ME, "THIS LETTER IS INTENDED TO MAKE YOU AWARE THAT SOME 2004 MODEL YEAR CHEVROLET TRAILBLAZER VEHICLES MAY CONTAIN A FUEL TANK INLET CHECK VALVE (ICV) THAT COULD FRACTURE." I IMMEDIATELY CALLED THE 1-800-222-1020 PHONE NUMBER INCLUDED IN THE LETTER AND THE GENTLEMEN I SPOKE WITH CALLED MY NEAREST CHEVROLET DEALER, NIMNICHT CHEVROLET, JACKSONVILLE, FLORIDA, AND ASKED THEM TO CALL ME TO SET UP AN APPOINTMENT TO HAVE THE SITUATION INVESTIGATED. THEY DID NOT CALL ME AND THE FOLLOWING DAY, THE REPRESENTATIVE FROM CHEVROLET CALLED BACK TO CONFIRM THAT I HAD AN APPOINTMENT WITH NIMNICHT AND I INFORMED HIM THEY HAD NOT CALLED. HE IMMEDIATELY CALLED THEM BACK AND GOT AN APPOINTMENT SET UP FOR ME, WHICH WAS NOT UNTIL THE FOLLOWING WEDNESDAY, NOVEMBER 26, AT 8:00 A.M. I TOOK MY VEHICLE IN, WHICH HAS ALL OF THE SYMPTOMS LISTED, I.E. GASOLINE SMELL, SES LIGHT ON SOLID FOR A WHILE, THEN BEGINS BLINKING, AND WILL GO BACK TO SOLID, TERRIBLE GAS MILEAGE AND WHEN SITTING STILL WITH ENGINE RUNNING, ENGINE ACTS AS IF IT WANTS TO SHUT OFF. WITHIN TEN MINUTES OF MY ARRIVING AT THE DEALERSHIP, I WAS INFORMED THERE WAS NOTHING THEY COULD DO SINCE MY MILEAGE WAS OVER 150,000. THE DATE I RECEIVED THE LETTER, THE MILEAGE WAS 151,872 AND BY THE TIME I GOT AN APPOINTMENT, IT WAS 152,000 PLUS. AFTER LETTING ME SIT IN THEIR WAITING ROOM, AND MY ASKING THEM TO PLEASE CALL CHEVROLET TO SEE IF SOME TYPE OF EXCEPTION COULD BE MADE, THE LADY CAME BACK AND OFFERED ME A "REAL DEAL" OF $903.00 TO REPAIR IT. SHE TOLD ME THEY WERE NOT ALLOWED TO CALL CHEVROLET ON A CUSTOMER'S BEHALF. MY COMPLAINT IS THAT, IF THE LETTER WERE MAILED TO ME ON NOVEMBER 1, THE VEHICLE WOULD HAVE BEEN LESS THAN 150,000 MILES. I FEEL THEY SHOULD HAVE TO REPAIR IT. IT IS DANGEROUS TO DRIVE.
Showing 1–20 of 50 complaints
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026