There are 18 owner-reported fuel system complaints for the 2011 GMC Terrainin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2011 GMC Terrain. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power. The vehicle was towed to the contact's residence, where an independent mechanic diagnosed that the high-pressure fuel pump and camshaft sensor needed to be replaced. The mechanic replaced the camshaft sensor; however, the high-pressure fuel pump was not replaced, and the failure recurred. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 145,000.
I PURCHASED THE VEHICLE IT RAN GREAT. WITHIN A COUPLE OF WEEKS, IT STARTED STALLING WHEN I GO TO TAKE OFF IN THE MIDDLE OF INTERSECTIONS OR PULLING OUT ONTO A ROAD. IT WILL RUN FINE I STOP IT IDLES OK AND WHEN I TOUCH THE GAS PEDAL IT WILL START OUT INTO THE ROAD AND THEN JUST DIE.
WHEN REFUELING VEHICLE AT A GAS STATION, AT A FULL STOP, WITH THE ENGINE TURNED OFF, THE GASOLINE PUMP WILL NOT STAY ON WHILE INSERTED INTO THE FUEL TANK OF MY 2011 GMC TERRAIN, NO MATTER WHICH FUEL VENDOR I BUY A FILL UP FROM. I HAVE HAD THIS CAR FOR SEVERAL YEARS, AND IT HAS NEVER WORKED PROPERLY. I DECIDED TO REACH OUT TO SEE IF THIS IS A NORMAL ISSUE FOR THIS VEHICLE. IF IT IS NOT, THEN COULD THIS BE A RECALL EVENT? THANKS FOR YOUR HELPFULNESS.
WHEN INSERTING THE GASOLINE PUMP'S NOZZLE TO REFUEL THE VEHICLE, THE NOZZLE DOES NOT LOCK INTO PLACE DURING THE PUMPING OF GASOLINE. VEHICLE OWNER HAS TO MANUALLY HOLD THE FUEL DISPENSER'S HANDLE TO REFUEL THEIR VEHICLE DURING THE ENTIRE 16 GALLON OPERATION. THERE APPEARS TO BE A PART MISSING THAT WOULD CONTROL THE SAFE AUTOMATIC REFUELING OF THIS VEHICLE, BUT THAT PART IS NOT ON MY VEHICLE.
GAS STATION PUMP WILL NOT STAY ON WHEN REFUELING
PURCHASED MY CERTIFIED 2011 GMC TERRAIN 7/12/2016. AFTER DRIVING A FEW DAYS NOTICED CAR WAS STALLING WHILE ACCELERATING OR IN STOP AND GO TRAFFIC. (1ST SERVICE) TOOK IT IN 7/28/2016 TO BE SERVICED, WAS TOLD IT WAS THE CATALYTIC CONVERTER-VEHICLE WAS BETTER, BUT STILL HESITATES ON TAKE OFF (2ND SERVICE) TOOK IT IN 11/10/2016 RECEIVED THE RECALL NOTICE ABOUT THE FUEL PUMP. FINALLY IT SEEMS TO BE DRIVING BETTER'FOR A COUPLE OF WEEKS (3RD SERVICE) TOOK IN 1/16/2017 TO BE SERVICED- CAR COMPLETELY SHUT OFF ON BUSY HIGHWAY SEVERAL TIMES DURING MORNING RUSH HOUR (STOP AND GO TRAFFIC), THIS TIME ENGINE LIGHT CAME ON. WAS TOLD SOMETHING TO DO WITH ELECTRICAL PROGRAMMING COMMUNICATING WITH THE FUEL PUMP?! AS OF TODAY CAR IS STARTING TO STALL AND HESITATE AGAIN. MY CERTIFIED WARRANTY IS UP IN 3/2017, MY FEAR IS NEXT FEW INCIDENTS WILL NOT BE COVERED. KEEP IN MIND I HAVE NOT HAD THIS VEHICLE A YEAR YET. I HAVE A CERTIFIED LEMON. I DESERVE A REFUND/UPGRADE.
GOING TO VISIT SON, DAUGHTER IN LAW AND GRANDAUGHTER IN VIRGINIA FROM MICHIGAN. GOT REDUCED POWER MESSAGE WITH STABILITY CONTROL LIGHT. FIRST TIME WAS WITHOUT WARNING ON THE CURVY HILLY PENNSYLVANIA TURNPIKE IN TRAFFIC AT APPX 70 MPH.. LOST POWER ON HILL HAD NO ACCELERATION, VEHICLE DECELERATED IN FRONT OF TRAFFIC. PUT ON HAZARDS AND WORKED OUR WAY OVER TO SHOULDER ACROSS 2 LANES OF TRAFFIC. THANK GOD THIS DIDN'T CAUSE A PILEUP OF HOLIDAY TRAVELERS. STOPPED VEHICLE, ENGINE WAS MISFIRING, THERE WAS NO THROTTLE RESPONSE. SHUT OFF ENGINE AND RESTARTED, POWER WAS BACK BUT CHECK ENGINE LIGHT IS ON. CONTINUED TRIP, 2ND INCIDENT WAS ABOUT 1 HOUR LATER ALSO WITHOUT WARNING. HAD ABOUT 5 INCIDENTS THIS TRIP.
WHILE DRIVING DOWN A BUSY TWO LANE ROAD I PULLED OUT INTO AN INTERSECTION IN AN ATTEMPT TO MAKE A LEFT HAND TURN WHEN THE CAR STALLED IN THE MIDDLE OF TRAFFIC. I TURNED THE CAR OFF AND TURNED IT BACK ON AGAIN AND IT WORKED. HOWEVER, LATER THAT DAY IT STALLED AGAIN WHILE IT WAS SITTING AT AN INTERSECTION. I BROUGHT IT TO THE DEALERSHIP FOR REPAIR AND THEY SAID IT WAS NOT COVERED UNDER WARRANTY EVEN THOUGH I STILL HAD ONE. THEY SAID THERE WAS A FUEL LEAK AT THE FUEL COMPOSITION SENSOR. THEY REPLACED THE SENSOR. GM EXTENDED SPECIAL COVERAGE # 17097 IN MAY 1, 2017 FOR 2011-2013 CHEVY EQUINOX AND GMC TERRAINS THAT ARE EQUIPPED WITH FLEX FUEL DUE TO A FUEL LEAK AT THE FUEL COMPOSITION SENSOR BUT THEY DID NOT INCLUDE MY 2011 MODEL TERRAIN THAT IS NOT EQUIPPED WITH FLEX FUEL BUT IT SHOULD HAVE BEEN. THIS ISSUE WAS OUT OF MY CONTROL AS IT WAS A MANUFACTURING DEFECT IN THE FACT THAT THEY PLACED THE COMPOSITION SENSOR BELOW THE FRAME EXPOSING IT TO DAMAGE FROM ROAD DEBRIS.
UPON ENTERING GARAGE,SMELLED ODOR OF GAS BY CAR...LOOKED UNDERNEATH,,SMALL PUDDLE OF FUEL,,CLOSER EXAMINATION FOUND PINHOLE IN RUST PATCH ON FUEL LINE..OTHER RUST AREAS NOTICED,BUT THIS WAS ONLY LEAK.CORROSION IS TO BE EXPECTED.BUT NOT TO THE POINT OF FAILURE AFTER ONLY 4 AND ONE HALF YEARS..CAR WAS BOUGHT NEW AND WELL MAINTAINED ,ALSO ALWAYS GARAGE KEPT.BEING OUT OF WARRANTY (OF COURSE!), I HAD TO NEGOITIATE WITH THE DEALER FOR A DECENT COST OF THE REPAIR..I BELIEVE INFERIOR QUALITY IS TO BLAME AND BELIEVE THIS CAN AND WILL HAPPEN TO OTHERS,HOPEFULLY WITHOUT SERIOUS CONSEQUENCES...
WHILE TRAVELING ON INTERSTATE 376 WEST OUT OF DOWN TOWN PITTSBURGH, PA DURING RUSH HOUR THE SERVICE STABILITRACK WARNING MESSAGE APPEARED AND THEN THE REDUCED ENGINE POWER WARNING CAME ON. AT THE TIME WE WERE TRAVELING ABOUT 45 MPH AND THE ENGINE WOULD NOT GO ANY FASTER THAN 20 MPH WHEN WE GOT THE MESSAGES, WE HAD TO TRY TO GET OVER TO THE SIDE OF THE ROAD.... WE TURNED OFF THE VEHICLE AND WAITED 10 MINUTES AND IT RESET ITSELF... IT HAPPENED 3 MORE TIMES ON MONDAY 12/22 AND THE LAST TIME I COULD BARELY TURN THE STEERING WHEEL.. IT TURNED OUT TO BE THE THROTTLE BODY NEEDING REPLACED. *TR
WELL IT APPEARS THAT THERE ARE SEVERAL COMPLAINTS ON HERE ABOUT THE 2011 TERRAIN STALLING. IT'S BEEN HAPPENING TO ME OFF AND ON THE PAST SEVERAL MONTHS. I WOULD BE IN TRAFFIC AND IT WOULD STALL, I WOULD BE AT A STOP LIGHT AND IT WOULD STALL, I WOULD GO TO BACK OUT OF MY DRIVEWAY AND IT WOULD STALL. I TOOK IT IN AND THEY CAN'T FIND ANYTHING WRONG. WELL LAST NIGHT IT FINALLY DIED. GREAT!! I HEARD NOISE WHEN I STARTED THE VEHICLE THAT SOUNDED LIKE PLASTIC WATER BOTTLES RUBBING TOGETHER. I HAD A BAG IN MY FRONT SEAT SO ASSUMED IT WAS NOTHING. IT BUCKED FORWARD AS I PUT IT INTO DRIVE AND STALLED. WELL...THE STALLING I'D BECOME ACCUSTOMED TO SO I RE-STARTED. IT SEEMED FINE UNTIL I WENT TO ACCELERATE ONTO THE MAIN ROAD...IT BUCKED, STARTED SHUTTERING, AND WOULDN'T GO ABOVE 5 MPH. I BARELY GOT IT INTO A PARKING LOT BEFORE IT DIED. I COUNTED NO LESS THAN 5 SIMILAR REPORTS ON HERE. I LIVE IN THE METRO DETROIT AREA...HAD THIS HAPPENED ON A HIGHWAY OR DURING RUSH HOUR, I COULD'VE BEEN KILLED. SOMEONE NEEDS TO DO SOMETHING BEFORE GMC HAS YET ANOTHER SCANDAL ON THEIR HANDS OR HOW MANY PEOPLE HAVE TO BE HURT, MAIMED, OR KILLED BEFORE NHTSA GETS INVOLVED?? *TR
THE VEHICLE JUST STOPS WHILE DRIVING, THIS IS VERY DANGEROUS AND CAN CAUSE A MAJOR ACCIDENT. DEALER SAID THE FUEL PUMP WAS LEAKING!..FOR AN ALMOST BRAND NEW CAR THIS WAS UNACCEPTABLE!..NOW IT JUST HAPPENED AGAIN..THE VEHICLE STOPS/THE ENGINE SHUTS DOWN WHILE DRIVING!..IM TAKING THE VEHICLE AGAIN TO THE DEALERSHIP TO SEE WHAT THEY SAY... *TR
I BOUGHT MY 2011 AWD 4 CYL. TERRAIN IN JULY, 2011. I TRADED MY GMC ACADIA IN ON THIS VEHICLE. I DOWN SIZED TO GET BETTER GAS MILEAGE. IT STATED THAT IT SHOULD GET 20 CITY & 30 HWY. I HAVE NEVER CAME CLOSE. I TOOK IT TO THE DEALER AND THEY SAID IT IS RUNNING FINE. MPG AT 22. I DON'T KNOW WHAT WE ALL HAVE TO DO TO GET GM TO DO SOMETHING ABOUT THIS BUT SOMETHING NEEDS TO BE DONE.THEY HAVE PRETTY MUCH LIED TO ALL OF US AND ANYONE THAT IS THINKING ABOUT BUYING ONE. WE NEED TO GET THE WORD OUT ABOUT THIS VEHICLE. DON'T BUY IT FOR THE GAS MILEAGE BECAUSE IT DON'T GET WHAT IT STATES!!!!!!!!!!!!!!! I THINK GM SHOULD DO SOMETHING ABOUT THIS OR REIMBURSE US FOR THE DIFFERENCE THAT WE WOULD GET WITH THE CORRECT GAS MILEAGE. MAYBE THIS WILL GET A RECALL ON THESE VEHICLES. *TR
VEHICLE IS NOT DELIVERING THE EPA FUEL ECONOMY PERFORMANCE RATED. THE GMC TERRIAN FWD 4CYL IS RATED 22 CITY, 32 HWY, AND 26 OVERALL. I DRIVE 30% OF MY MILES IN THE CITY AND 70% HWY. MY VEHICLE HAS 5000 MILES AND I AM EXPERIENCING 17 CITY, 22 HWY, AND 20 OVERALL. ALL WELL BELOW THE EXPECTED RANGE. I AM A VERY CONSERVATIVE DRIVER, NO JACK RABBITT STARTS AT STOP LIGHTS, USE CRUISE CONTROL. I HAVE COMPLAINED TWICE TO GMC AND WAS TOLD IT TAKES APX 5000 MILES TO "BREAK IN" THE VEHICLE. I NOW HAVE 5000 MILES AND AM NOW BEING TOLD TO USE HIGH OCTANE FUEL. FUEL PERFORMANCE IS SO POOR I SUSPECT A GAS LEAK OR SOME FAULTY COMPONENT THAT MAY BE POTENTIALLY DANGEROUS DUE TO THE EXCESS CONSUMPTION OF FUEL WELL BEYOND THE CONTROLLED EPA ESTIMATES. *TT
TL* THE CONTACT OWNS A 2011 GMC TERRAIN. WHILE ATTEMPTING TO REFUEL THE VEHICLE, GASOLINE FUEL SPILLED OUT OF THE FUEL TANK. THE DEALER MADE SIX ATTEMPTS TO DUPLICATE THE FAILURE BY STRAIGHTENING THE FUEL HOSE, REPLACING THE FUEL TANK AND THE FILTER HOWEVER, NONE OF THE REPAIRS CORRECTED THE FAILURE. THE DEALER HAS HAD OFFERED ANY FURTHER ASSISTANCE SINCE THEY INFORMED THE CONTACT THAT THE VEHICLE WAS OPERATING AS DESIGNED. THE MANUFACTURER HAD NOT BEEN NOTIFIED OF THE FAILURE. THE CURRENT MILEAGE WAS 7,200 AND THE FAILURE MILEAGE WAS 2,400.
THE GAS FILL TUBE TENDS TO ALLOW THE GAS NOZZLE TO POP OUT WHEN FILLING. HAVE NEVER SEEN THIS ON OTHER VEHICLES. I HAVE TO HOLD THE NOZZLE TO MAKE SURE IT DOES NOT POP OUT. *TR
2011 GMC TERRAIN. CONSUMER WRITES IN REGARDS TO ENGINE PROBLEMS AND SEVERAL OTHER ISSUES WITH VEHICLE. *SMD THE CONSUMER STATED THE DISTRICT MANAGER OF GM REFUSED TO ALLOW THE DEALER TO CHECK THE ECM/ECU AND OTHER APPROPRIATE SYSTEMS, TO MAKE SURE ALL THE ENGINE SETTINGS WERE AS THEY SHOULD BE, SINCE HE EXPERIENCED SEVERAL STRANGE EVENTS, SUCH AS THE SHIFTER HANGING IN D SOMETIMES AS HE TRIED TO MOVE TO PARK, VERY LOW MPG FOR SEVERAL DAYS 24-25 MPG, WHEN HE USUALLY GOT 28-33 MPG. THE OIL PERCENT METER USED TO BE AT 95%. THE ENGINE WOULD REV TO 7K-8K RPM WHEN THE FIRST STARTED AND HELD 2-3 SECONDS. SOMETIMES THE ENGINE REVVED TO 1600-1800 RPM AND THE VEHICLE WOULD ALMOST STALL, AND SOMETIMES THE MALFUNCTION INDICATOR LIGHT WOULD ILLUMINATE ON THE INSTRUMENT PANEL. SOON AFTER, THE FAN BELT BEGAN TO SQUEAL. THE SQUEALING BEGAN, WHEN THE VEHICLE WAS STARTED OR WHEN DRIVING AT VARIOUS SPEEDS WITH THE AC ON, AND GOING UP SOME SLOPPED HIGHWAYS, ROADS AND STREETS. THE DEALER REPLACED THE BELT. IN THE SUMMER OF 2011, WHEN THE VEHICLE WAS STARTED THE ENGINE WOULD MAKE A CHATTERING-TAPPING METAL-TO-METAL SOUND, AS IT THERE WERE NO OIL IN THE ENGINE. THE PROBLEM WOULD OCCUR WITH A COLD OR HOT ENGINE. THE PROBLEM STOPPED AFTER P0011 ERROR SOLENOID WAS REPLACED.
MY 2011 GMC TERRAIN HAS A 2.4L 4 CYLINDER FRONT WHEEL DRIVE. IT IS RATED AT 32 MPG HIGHWAY. SINCE DAY 1 I HAVE NOT EVEN GOTTEN CLOSE TO THIS. I DRIVE 100 MILES A DAY AND MAYBE 5 MILES OF IT IS CONSIDERED CITY DRIVING. I AM GETTING 20 TO 22 MPG. I CONTACTED GMC AND THEY HAD ME TAKE IT IN TO BE CHECKED OUT. THE DEALERSHIP HOOKED IT UP TO THERE COMPUTER AND SAID THAT EVERYTHING IS THE WAY IT SHOULD BE. THEY THEN TOLD GMC THAT IT IS WINTER NOW AND FUEL MILEAGE WILL DROP DUE TO COLD WEATHER. I AGREE WITH THAT BUT NOT 10 MILES TO THE GALLON. MAYBE 2 OR 3 AT THE MOST. I CANT GET THEM TO DO ANYTHING ABOUT IT, I AM TIRED OF HAVING TO PAY OUT EXTRA MONEY FOR GAS WHEN THIS VEHICLE IS NOT PERFORMING TO ITS EXPECTATIONS. *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.
Data synced from NHTSA on Apr 26, 2026