There are 9 owner-reported fuel system complaints for the 2005 Chevrolet Coloradoin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I STARTED TP SMELL GAS IN MY GARAGE AND THOUGHT MAYBE I JUST OVERFILLED THE TANK BUT AS THE DAYS WENT ON THE SMELL INCREASED. ABOUT 2 WEEKS LATER, THE CHECK ENGINE LIGHT WENT ON AND I TOOK THE CAR TO MY MECHANIC . HE TOLD ME THE FUEL TANK WAS RUPTURED ON THE TOP WHERE THE METAL COUPLING MET THE PLASTIC. I WAS VERY SURPRISED BECAUSE I NEVER SAW ANY GAS ON MY GARAGE FLOOR. THEN I REALIZED THAT I NOT ONLY COULD HAVE HAD A FIRE IN MY CAR BUT ALSO IN MY GARAGE WHICH IS ATTACHED TO MY HOUSE. THE MECHANIC SAID THAT THE PROBLEM WAS THE PLASTIC FUEL TANK BUT I DON'T CARE WHAT TYPE OF MATERIAL IT WAS I ONLY KNOW I COULD HAVE EASILY KILLED BOTH MYSELF AND MY WIFE. I HAVE THE $2,000 REPAIR BILL FROM THE MECHANIC AS EVIDENCE BUT NOT THE FUEL TANK.
TL* THE CONTACT OWNS A 2005 CHEVROLET COLORADO. THE CONTACT STATED THAT WHILE DRIVING 35 MPH, THE FUEL TANK STRAPS FRACTURED AND CAUSED THE FUEL TANK TO DROP ABNORMALLY. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE TECHNICIAN DIAGNOSED THAT THE FUEL TANK, FILLER NECK, FUEL LINES AND FUEL TANK STRAPS NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VIN WAS NOT AVAILABLE. THE FAILURE AND CURRENT MILEAGE WAS 85,000.
2005 CHEVY COL 3LT. AFTER3YRS AND 2 MONTHS OF HAVING IT I HAD THE PROBLEM WITH THE DRIVERS SIDE WINDOW AND DOOR LOCK NOT WORKING. ALSO FUEL GAUGE WOULD DROP TO EMPTY. FUEL FLOAT WAS STICKING! NOW AT 4 1/2 YRS THE FUEL PUMP HAS 'SHORTED OUT'. TRUCK WOULD NOT START. *TR
I HAVE THE SAME COMPLAINT AS #10244065. MY 05 COLORADO AT TIMES WILL NOT START I'LL TRY IT OVER AND OVER, AFTER ABOUT 20 MINUTES. IT WILL START AND RUN AS IF THERE WERE NO PROBLEM. I HAVE HAD THE FUEL PUMP AND FUEL VILTER CHANGED. NO HELP. NOW IT IS HAPPENING AT LEAST TWICE A WEEK. NO ONE SEEMS TO HAVE AN ANSWER. *TW
LEAKING FUEL LINE. WOKE UP THIS A.M. FOUND PUDDLE OF FUEL IN MY DRIVEWAY. AFTER FURTHER INSPECTION THE ELE. LINE FOR REAR TAIL LIGHTS HAS BEEN RUBBING AGAINST NYLON PART OF FUEL LINE. I USED TWO ZIP TIES TO SECURE ELE. LINE OUT THE WAY,TO PREVENT THIS DAMAGE IN THE FUTURE. SENT CHEVY E-MAIL BUT NO RESPONSE, MY CHEVY DEALER AGREED THAT THIS SHOWS POOR QUALITY CONTROL AND POOR CUSTOMER SERVICE. I BELIEVE CHEVY SHOULD REIMBURSE MY FOR THE COST OF REPAIR! *TR
THIS VEHICLE GOT 25 MILE TO THE GALLON ON THE ROAD AND 20 IN TOWN BUT SINCE THE PCM WENT OUT IT GETS ABOUT 18 ON THE ROAD AND 13 IN TOWN. THEY HOOK IT UP TO A COMPUTER AND IT SAYS EVERYTHING IS FINE BUT THAT DOESN'T EXPLAIN THE POOR FUEL PERFORMANCE AND CHEVY WILL NOT DO ANYTHING TO CORRECT SINCE THE COMPUTER SAYS IT RUNS FINE. *TR
I HAVE OWNED MY 2005 CHEVROLET COLORADO 4 DOOR 4X4 SINCE NOV. 2004 I HAVE HAD TIRES THAT PUCKERED, 3 RADIOS INSTALLED,BLOWER MOTOR SWITCH REPLACED 1 TIME AND IS NOW OUT AGAIN, A LEAK IN THE FIRE WALL THAT HAS BEEN IN 2 TIMES TO BE FIXED AND STILL LEAKS IN HARD RAINS, A DEFECTIVE BRAKE LIGHT SWITCH. AND THE WORST GAS MILEAGE OF ANY VEHICLE I HAVE OWNED IN THE PAST 30 YEARS. MY 71 MONTE CARLO WITH A 400 BIG BLOCK AND 3:73 REAR END GEARS GOT BETTER GAS MILEAGE. CHEVROLET SAID TO WAIT TILL IT HAD ABOUT 10,000 MILES WELL IT HAS 52,000 AND STILL CAN'T GET PAST 16.5 MPG. AND ONLY 11 IF TOWING ANYTHING. THE RADIO HAS BEEN FIXED AND THE BRAKE SWITCH REPLACED I STILL HAVE LEAKING FIRE WALL AND VERY POOR GAS MILEAGE. I DRIVE A NICE STRAIGHT SHOT 71 MILES ONE WAY WITH ONLY 2 STOP SIGNS BETWEEN START AND FINISH OF MY DRIVE EACH DAY FOR A TOTAL OF 140 MILES OF PURE OPEN INTERSTATE DRIVING IN A RURAL AREA! SHAME ON YOU CHEVROLET! *JB
DT*: THE CONTACT STATED WHILE DRIVING 30 MPH ON A RURAL ROAD, THE CONTACT SMELLED GAS AND NOTICED THERE WERE FLAMES BETWEEN THE CAB AND THE BED. THE FIRE DEPARTMENT WAS CALLED AND DETERMINED THE FIRE ORIGINATED UNDERNEATH THE CAB OF THE VEHICLE WHERE THE FUEL FILTER WAS LOCATED. THE VEHICLE WAS TOWED TO THE DEALERSHIP WHERE THE DEALERSHIP CONTACTED THE MANUFACTURER. THE MANUFACTURER SENT AN INDEPENDENT INSPECTOR TO INSPECT THE VEHICLE AND DETERMINED THE PROBLEM WAS A DEFECTIVE FUEL FILTER.
PURCHASED NEW 2005 COLORADO. TERRIBLE GAS MILEAGE. TOOK INTO DEALER AND WAS TOLD TO ALLOW ENGINE TIME TO BREAK IN. ALSO, THE DEALER ALSO MENTIONED BY ACCIDENT THAT THEY HAVE HAD SEVERAL COMPLAINTS ABOUT THIS. *AK THE TRUCK NOW HAS 3000 MILES AND STILL GETTING 12 MILE PER GALLON. I WAS ALSO TOLD TO TRY DIFFERENT GAS STATIONS FUELS. STILL NOTHING HAS CHANGED. I DO NOT HAVE A HEAVY FOOT NOR DO I HAVE THE CASH NEEDED TO KEEP FILLING MY TANK.
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