There are 10 stored owner reports matching the engine leading-label group for the 2009 Pontiac G6 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 10 of 10 matching reports.
Open the full vehicle complaint log (all categories)TL* THE CONTACT OWNS A 2009 PONTIAC G6. WHEN THE VEHICLE WAS STARTED, THE CONTACT DETECTED AN ODOR OF CARBON MONOXIDE. THE ODOR REMAINED THE ENTIRE TIME THE VEHICLE WAS IN OPERATION. THE CONTACT SUFFERED BRONCHITIS DUE TO THE CARBON MONOXIDE AND REQUIRED MEDICAL ATTENTION. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOTIFIED. THE FAILURE MILEAGE WAS APPROXIMATELY 200,000.
LEAKING ANTIFREEZE OVERHEATING PRESSURE BUILDING UP IN RADIATOR. *TR
TL* THE CONTACT OWNS A 2009 PONTIAC G6. WHILE DRIVING AT 5 MPH, THE VEHICLE FAILED TO ACCELERATE WITHOUT WARNING. THE CONTACT MENTIONED THAT THE VEHICLE FAILED TO EXCEED 5 MPH. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE CATALYTIC CONVERTER NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED, BUT THE FAILURE RECURRED NUMEROUS TIMES. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.
ENGINE IS 3.5 L V6 . AFTER STARTING ENGINE, SEVERAL MINUTES LATER ENGINE STARTS MAKING A LOUD RAPPING NOISE WHICH LASTS SEVERAL MORE MINUTES, THEN SLOWLY DISAPPEARS. GM DEALER INVESTIGATED AND SAID IT DID NOT KNOW CAUSE. SAID WAIT TILL NOISE IS SEVERE.I THINK IT IS TIMING CHAIN RELATED! TENSIONER, WORN GUIDE. ONLY 3000 MILES ON ENGINE. 11/5/2016.
TL* THE CONTACT OWNS A 2009 PONTIAC G6. THE CONTACT STATED THAT AFTER THE VEHICLE WAS SERVICED UNDER NHTSA CAMPAIGN NUMBER: 14V252000 (ELECTRICAL SYSTEM, ELECTRONIC STABILITY CONTROL, EXTERIOR LIGHTING, SERVICE BRAKES, HYDRAULIC, VEHICLE SPEED CONTROL), THE COOLING FANS ACTIVATED INDEPENDENTLY CAUSING THE AIR CONDITIONER TO FAIL. IN ADDITION, THE TIRE PRESSURE WARNING LIGHT ILLUMINATED, BUT THE TIRES DID NOT NEED AIR. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE TEMPERATURE GAUGE NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED, BUT THE FAILURE PERSISTED. THE FAILURE MILEAGE WAS 88,000. THE VIN WAS UNAVAILABLE.
LOST CONTROL OF THE CAR HITTING A WALL ON THE INTERSTATE. *TR
CAR ENGINE TURNED OFF GOING 45MPH THIS IS SECOND TIME IN LESS THAN A MONTH THIS HAPPENED.CAR DEALER REPLACED A SENSOR PART 15865791- AND MODULE 12612397. *TR
WAS DRIVING CAR AND ENGINE JUST SHUT OFF GOING 45MPH.AFTER I PULLED OVER CAR WOULD NOT RESTART. *TR
I PURCHASED A 09 PONTIAC G6 ON JULY 28TH 2010 IT HAD 46,000 MILES 2 WEEKS AFTER I BOUGHT IT CUTS OFF FOR NO REASON IN THE MIDDLE OF THE STREET AND WOULD NOT CRANK UP IT WAS TOWED TO THE DEALERSHIP AND KEPT IT FOR 9 DAYS AND STILL WOULD NOT CRANK THEY GOT IT TO CRANK AND THEN LOCK THE KEYS UP WHILE HAVING IT RUNNING CAUSE THE DOOR UNLOCK AND LOCK ON THEIR OWN BUT DIDN'T KNOW WHY IT CUT OFF AND WOULD NOT CRANK. SO I GOT IT BACK 2 WEEK LATER IT CUTS OFF AGAIN WHILE DRIVING AND GAVE NO SIGN IT WAS GOING TO CUT OFF AND WOULD NOT CRANK SO I AM STUCK IN THE ROAD AGAIN STRANDED FOR AN HOUR I GET IT CRANK TAKE IT BACK TO THE DEALER SHIP THEY DON'T KNOW WHAT'S WRONG IT CUTS OFF AGAIN WHILE DRIVING. TAKE IT BACK THEY DON'T KNOW WHAT'S WRONG AND IT CUTS OF ABOUT 6 TO 8 MORE TIME WHILE DRIVING I TAKE IT TO THE DEALER SHIP AND THEY SAY THE SAME THING AND MIND U THESE ARE ALL GM DEALERSHIP AND I USED 3 DIFFERENT ONES AND THEY ALL SAY THE SAME THING SO IT CUTS OFF AGAIN I CALL GM MYSELF AND FILE A COMPLAINT THEY WERE NO HELP AND IT STILLS CUTS OFF TIL THIS DAY AND IT HAS AN ELECTRICAL PROBLEM AS WELL CAUSE THE LIGHTS DIM IN AND OUT WHEN YOU TURN ON THE AIR OR HEAT OR LET THE WINDOWS DOWN OR LOCK AND UNLOCK THE DOORS . THE ENGINE RUNS ROUGH AND WHEELS SOUND LIKE THEY ABOUT TO COME OF WHILE DRIVING THIS IS A BAD CAR IT LOOKS GOOD BUT DRIVES BAD AND IT NOT SAFE WHEN THE PEOPLE WHO MADE IT CANT TELL YOU WHY IT CUTS OFF WHILE DRIVING THIS VERY DANGEROUS. *TR
TL* THE CONTACT OWNS A 2009 PONTIAC G6. THE CONTACT STATED THAT WHILE DRIVING AT UNKNOWN SPEED, THE VEHICLE STALLED. THE VEHICLE WAS TAKEN TO A DEALER. THE TECHNICIAN DIAGNOSE THAT THE BELT TENSIONER PULLEY NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 22,000.
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.