There are 6 stored owner reports matching the fuel system leading-label group for the 2008 Chevrolet Trailblazer in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 6 of 6 matching reports.
Open the full vehicle complaint log (all categories)SMELLED GAS ODOR FROM REAR OF VEHICLE. CRAWLED UNDER AND FOUND GAS TANK LEAK AT THE CONNECTION OF FILLER PIPE TO TANK/CHECK VALVE. UNDERSTAND THIS WAS KNOWN DEFECT ON EARLIER YEARS AND TANKS WER COVERED BY A SPECIAL COVERAGE PLAN 14423. ANY EXTENSIONS FOR LATER (2008) MODEL YEARS?
THE FUEL GAUGE IS FLUCTUATING FROM FULL TO EMPTY AND THE EMPTY LIGHT COMES ON. IT HAS OCCURRED A FEW TIMES NOW OVER THE LAST FEW WEEKS. THE ISSUE HAS THE POTENTIAL TO CAUSE A STALL CONDITION, IF THE VEHICLE RUNS OUT OF GAS UNKNOWINGLY DUE TO THIS INACCURATE GAUGE CONDITION. I HAVE BEEN ABLE TO RESEARCH SOME DOCUMENTED EVIDENCE OF THIS KNOWN ISSUE ON NHTSA, BUT HAVE NOT FOUND ANY SOLUTION BEING OFFERED BY GM.
TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE FUEL TANK LEAKED FUEL AND THE FUEL CAP INDICATOR LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO CRAMPED THE TANK CAP, BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 76,000. .....UPDATED 02/11/16 *BF *CN
I WAS DRIVING THE TRAILBLAZER WENT TO PUT GAS IN IT AT QT AND FILLED THE CAR FULL OF 87. WENT TO START THE CAR AND THE ENGINE LIGHT CAME ON AND THE GAS GAUGE IS AT EMPTY AND THE LIGHT IS ON. THIS HAPPENS EVERY TIME THE CAR IS TURNED ON THIER IS NOTHING WRONG WITH THE CAR MOTOR IS FINE NOT RUNNING HOT OR ANYTHING OIL IS FINE. *TR
MY BLAZER ALSO SHOWS THAT THERE IS NO FUEL, EVEN THOUGH I JUST FILLED UP! I WOULD LIKE TO KNOW WHAT THE PROBLEM IS? *TR
FOR THREE WEEKS MY FUEL LIGHT DENOTES THAT I AM ON EMPTY. I THOUGHT THAT I HAD FORGOTTEN TO GET SOME GAS. BUT WHEN I STARTED TO PAY ATTENTION TO THE GAS LIGHT, I NOTICED THAT, EVEN WHEN I FILLED UP THE GAS TANK, I WAS STILL GETTING THAT RINGING SOUND THAT DENOTES 'EMPTY'. I TOOK MY CAR TO THE DEALERSHIP AND THEY SAID THAT THEY WOULD CHARGE ME ABOUT $460 TO FIX THE PROBLEM, THAT AN AWFUL LOT OF MONEY FOR A FUEL LIGHT. WHAT'S UP WITH THIS? *TR
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.