Gasoline Fuel System Problems of GMC Terrain

The contact owns a 2020 GMC Terrain. The contact stated while driving at an undisclosed speed, the vehicle lost motive power with the check engine warning light illuminated. The vehicle was towed to an independent mechanic, where it was diagnosed that the fuel pump control module had failed and needed to be replaced. The vehicle was not repaired. The dealer was contacted. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure and referred the contact to the NHTSA hotline for assistance. The approximate failure mileage was 88,000. The VIN was not available.

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The contact owns a 2023 GMC Terrain. The contact stated while driving 15 mph, the message "engine power reduced” was displayed on the instrument panel. The contact stated that the vehicle the lost motive power in the middle of the roadway. The check engine warning light was illuminated. The vehicle was towed to the dealer, who diagnosed a failure with the high-pressure fuel pump, causing fuel to leak into the oil, resulting in damages to the catalytic converter and oxygen sensor. The vehicle was not repaired. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the NHTSA hotline for assistance. The failure mileage was 41,000.

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The contact owns a 2023 GMC Terrain. The contact stated while driving at approximately 5 mph, and entering the roadway from the driveway, the vehicle stalled. The contact stated that there were no warning lights. The contact stated that the vehicle had lost electrical power. The contact was unable to restart the vehicle. The vehicle used a push button gear shift prndl, and the contact was unable to set the vehicle into park(p) to restart the engine. The contact was able to restart the vehicle after several attempts and drove the vehicle to a dealer. The contact stated that on the drive to the dealer, the check engine warning light illuminated but kept driving. The vehicle was diagnosed, and it was determined that the fuel module had failed and needed to be replaced. The vehicle was repaired. The manufacturer was informed of the failure. The failure mileage was 12,825.

The contact owns a 2023 GMC Terrain. The contact stated while driving at an undisclosed speed, the vehicle was shaking and independently shifted into neutral. In addition, the check engine warning light illuminated, and the vehicle lost motive power. The vehicle was taken to the dealer where it was diagnosed with a possible fuel injector failure. The contact was informed that the fuel injector needed to be replaced. The vehicle was not repaired. The contact was informed that parts were on backorder. The contact stated that the failure occurred while on a trip. The contact was advised to contact the local dealer when she returned home. In addition, the contact stated that in December 2024, the high-pressure fuel tank was replaced by the dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 35,600.

The contact owns a 2020 GMC Terrain. The contact stated that while his wife was driving 5 mph and exiting a parking lot, the vehicle inadvertently stalled. There was no warning light illuminated. The vehicle failed to restart. The messages "low battery" and "start the vehicle" were displayed. The contact stated that the brakes had seized. The vehicle was towed to the dealer, where it was diagnosed and determined that the fuel pump and the fuel pump driver control module needed to be replaced. The vehicle was being repaired. The manufacturer was notified of the failure and informed the contact that the vehicle was not covered under warranty. The failure mileage was 45,175.

The contact owns a 2022 GMC Terrain. The contact stated that while pulling into a parking lot, the fuel light illuminated. While driving, the vehicle shut off and failed to restart. The fuel indicator indicated that there were 34 miles to empty. The contact called roadside assistance, who added additional fuel. The fuel indicator showed 64 miles to empty; however, the vehicle failed to restart. The vehicle was towed to the local dealer, where it was diagnosed that the fuel pump module needed to be replaced. The vehicle was not repaired. The manufacturer was contacted and referred the contact to the NHTSA hotline. The failure mileage was approximately 43,000.

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The contact owns a 2022 GMC Terrain. The contact stated while driving approximately 60 mph, the vehicle stalled. The contact stated no warning light was illuminated. The contact was unable to restart the vehicle. The vehicle was towed to a local dealer to be diagnosed. The dealer replaced the fuel pump module. The vehicle was repaired. The contact stated that the failure reoccurred while driving on the highway, and the vehicle was towed to another dealer. The dealer diagnosed the vehicle and determined that the fuel pump module had failed and needed to be replaced. The vehicle was repaired. The contact researched online and related the failure to NHTSA campaign number: 23v013000 (fuel system, gasoline) however, the VIN was not included. The manufacturer was informed of the failure. The failure mileage was approximately 4,800.

The contact owns a 2015 GMC Terrain. The contact stated that while at a complete stop, the vehicle jerked and shut off. The check engine warning light was illuminated. The contact was able to restart the vehicle and continue driving. The contact stated that on several occasions, while the vehicle was jerking at a complete stop, the contact shifted to park(p) to prevent the vehicle from stalling. The vehicle was taken to an independent mechanic, where it was diagnosed and determined that the fuel pump was leaking fuel into the oil gasket. The mechanic replaced the mass air flow sensor, the oil gasket, the fuel pump, the catalytic converter, and the starter; however, the failure recurred while driving. The dealer was notified of the failure and informed the contact that the VIN was not included in an unknown related recall. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 127,000.

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The contact owns a 2015 GMC Terrain. The contact stated that while driving at an undisclosed speed and coming to a complete stop, the accelerator pedal was released and the vehicle sputtered. The check engine warning light was illuminated. The message "reduced engine power" was displayed. Additionally, the contact stated that the vehicle would shut off while idle, unless the accelerator pedal was intermittently depressed. The contact also stated that the vehicle had failed to respond when depressing the accelerator pedal. The vehicle was taken to firestone on several occasions, and the high pressure fuel pump(hpfp) was replaced 3 times; however, the failure persisted. The vehicle was not repaired. The dealer was not notified of the failure. The manufacturer was notified of the failure and referred the contact to the NHTSA hotline for assistance. The failure mileage was approximately 130,000.

The contact owns a 2022 GMC Terrain. The contact stated while driving at approximately 25 mph, the vehicle was losing forward momentum. The contact stated that she depressed the accelerator pedal and the vehicle was still losing forward momentum. The contact stated that she was also smelling the odor of gasoline in the passenger cabin. No warning light was illuminated. The contact had taken the vehicle to a local dealer, where the dealer was unable to diagnose the failure since no codes were in the system due to no warning lights. The vehicle was not repaired. The contact stated that the failure was a reoccurring failure. The contact had researched online and related the failure to NHTSA campaign number: 23v013000 (fuel system, gasoline), however her VIN was not part of the recall selection. The manufacturer was informed of the failure. The failure mileage was approximately 49,000.

The contact owns a 2020 GMC Terrain. The contact stated that after refueling the vehicle, the vehicle failed to restart. The message "battery low - start vehicle" was displayed. The vehicle was towed to the dealer, where it was diagnosed that the fuel sensor module and fuel pump needed to be replaced. The vehicle was not repaired. The contact related the failure to NHTSA campaign number: 23v013000 (fuel system, gasoline); however, the VIN was not included in the recall. The manufacturer was not made aware of the failure. The failure mileage was approximately 42,510.

The contact owns a 2022 GMC Terrain. The contact received notification of NHTSA campaign number: 23v013000 (fuel system, gasoline) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that while driving at various speeds, the vehicle lost motive power and stalled. The contact pulled over to the side of the roadway and restarted the vehicle. The check engine warning light was illuminated. The manufacturer was made aware of the failure. The approximate failure mileage was 7,000. VIN tool confirms parts not available.

The contact owns a 2022 GMC Terrain. The contact stated that while driving at an undisclosed speed, the vehicle stalled. The check engine warning light was illuminated. Additionally, the contact stated that she was able to restart the vehicle; however, the vehicle failed to remain started. The vehicle was taken to the dealer where it was diagnosed that the fuel pump module needed to be replaced. The vehicle was repaired; however, the failure recurred. The vehicle was taken back to the dealer where the cause of the failure could not be determined. The contact stated that she was informed of the NHTSA campaign number: 23v013000 (fuel system, gasoline). The manufacturer was not notified of the failure. The failure mileage was approximately 6,000.

The contact owns a 2022 GMC. The contact received notification of NHTSA campaign number: 99999 (fuel system) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact experienced a failure. VIN tool confirms parts not available.

The contact owns a 2022 GMC Terrain. The contact stated that while driving at an undisclosed speed the vehicle decelerated to 10 mph. The check engine warning light was illuminated. The contact received notification of NHTSA campaign number: 23v013000 (fuel system, gasoline) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. The failure mileage was 3,600. VIN tool confirms parts not available.

The contact owns a 2021 GMC Terrain. The contact stated upon pressing the push to start button, the vehicle failed to start after several attempts, and the battery died. The vehicle was towed to the dealer, where the failure could not be duplicated. The contact stated that the vehicle restarted after some time. The check engine warning light was illuminated. The contact stated that the failure recurred intermittently. Additionally, the contact stated that the vehicle stalled while at a complete stop at the traffic light. The contact also stated that the vehicle stalled while driving on two occasions. The contact was able to veer to the side of the road. On one of the occasions, the vehicle restarted after several attempts and was driven to the dealer; however, on the other occasion, the vehicle failed to restart and was towed to the dealer. The dealer diagnosed the vehicle, but could not determine the cause of the failure. The vehicle was taken to an independent mechanic, where it was diagnosed that the fuel pump control module needed to be replaced. The vehicle was repaired; however, the failure persisted. The contact related the failure to NHTSA campaign number: 23v013000 (fuel system, gasoline); however, the VIN was not included. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 25,000.

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The contact owns a 2013 GMC Terrain. The contact stated that the dealer had previously performed an unknown repair for an exhaust leak; however, the failure recurred while starting the vehicle, and while driving, a fuel odor was detected. The contact was concerned that the failure caused her and her passenger carbon monoxide poisoning. The vehicle was taken to an independent mechanic, who reset the fuel carbon sensor and replaced the fuel cap; however, the failure recurred. The manufacturer was not made aware of the failure. The failure mileage was approximately 115,000.

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The contact owns a 2018 GMC Terrain. The contact stated that while driving at approximately 35 mph going over a hill, the brake pedal was depressed but was firm and failed to depress as needed. The engine power reduced message was displayed and flashed on and then off. The brake assist warning light was illuminated. The service transmission message was displayed. The contact continued to depress the brake pedal until the vehicle responded as needed. The driver was able to pull into a parking lot, and the vehicle rolled to a stop. While driving, the engine misfired. Additionally, the vehicle failed to fully shutoff. The vehicle was towed to the local dealer, where it was diagnosed that the brakes had locked up and that the vacuum pump needed to be replaced. The contact was also informed that the cam shaft had fractured inside the engine. Additionally, the fuel injector, fuel line, and fuel pump needed to be replaced. The vehicle was not repaired. The contact related the failure to NHTSA campaign number: 19v645000 (service brakes, hydraulic) and 23v013000 (fuel system, gasoline). The manufacturer was contacted, and the contact was informed that the VIN was under recall. The failure mileage was approximately 30,000.

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On 10/17/2013 my wife experienced a sudden acceleration while pulling into a parking space at our local walgreen's pharmacy. As she was pulling into a parking space in front of the pharmacy the car kept moving forward slowly although she was pressing on the brake pedal as hard as she could. The car crawled up the concrete curb stop slowly and hit the steel pipe bollard placed in front of the curb stop to protect the walkway front of the store. No injuries occurred to my wife, no one was on the walkway at the time. Only damage was to the bollard (bent over) plastic bumper, grill and right front fender of the car. Bollard and a trash receptacle brought the car to a stop. This is the second time this occurred. The first occasion was about a year ago when I was driving on a neighborhood residential street approaching a stop sign. As the car was slowing down and I was pressing on the brake pedal the car kept moving forward with the brakes being fully applied. Could hear the engine straining at an increased rpm. I lifted my foot off the brake pedal and jammed it down hard again and the car came to a stop at the stop sign with the engine in normal idle. In the three years we have owned this car these are the only occasions the problem has occurred.

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The engine or fuel system show a severe malfunction. When at a stop light, the rpm's drop so much that it shuts down sometimes, some others, it barely stays on. I called the dealership and told me that it was not a warranty covered repair and that I had to pay for the diagnostic plus whatever was wrong to repair (parts and/or labor). All of the sudden, now the "stability trac" check light goes on an off without apparent cause. I feel like I'm driving a vehicle from the 1950's. It's a great looking comfortable SUV, but very disappointed with performance and fuel consumption.

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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 milage. 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 milage because it don't get what it states!!!!!!!!!!!!!!! I think gm should do something about this or reimburse us for the differance that we would get with the correct gas milage. Maybe this will get a recall on these vehicles.

I have a 2. 5 month old 2011 GMC Terrain. At 4984 miles it is in the shop for stalling, for a horrible rattle upon start up, and for it jerking between first and second gear. When I took it in this morning it had stalled six times within the past 2 days. It stalls after start-up in forward and reverse and it stalled three times while in idle in a fast food drive-thru. There is also the rattling which happens on cold and warm starts, whether the a/c or eco mode are on. It sounds like metal rattling and like it is harming the engine. The least of my worries, is the fact that between 25-35 miles an hour the transmission shifts very hard and kicks myself and passengers forward. Apparently there is a tech bulletin that has been out for the rattle for several months. Why not fix them before they sell them? also, there is a recall #11195 for "rough idle, poor driveability" that doesn't show up on the NHTSA site or anywhere else but the GMC dealer's computer. Additionally, despite the claims, I have never gotten better than 21 mpg while driving this car including an all highway trip from michigan to indiana. I think it is false advertising and the fuel economy in eco or not is not what they claim when the y sold the vehicle to me.

We purchased the GMC Terrain with the 4 cylinder engine for the gas mileage of 32 mpg, after getting only 26 mpg we called GMC and took the Terrain in for service. Also filed complaint with GMC. Was told their was nothing they could do. The engine makes noises and runs rough and stalls at times mostly in the mornings. After service now we get only 25 mpg.

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.

This vehicle boggs down when giving it gas and will often cut off after stopping for no reason. There is a noise when you start the vehicle (like a clicking noise). The vehicle do not get the 32 mpg as what is stated, I get about 20 mpg highway. The gas needle does not work properly. I will fill up and still show 1/4 short. The leather seats are buckling and dealer says its normal but know others with leather seats & not happening to them. Recently took in for "service engine" light and malfunction light. This is new car & none of these issues should be happening this soon. I feel like it's a "lemon" and dealer is no help and these problems will compound as car gets older and warranty is over I will be out of luck. Unhappy customer.

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.

Soon after buying my 2011 GMC Terrain, 4 cyl, a rattle developed in engine on start up. After months of returning to dealer, they said a tech bulletin now existed and fixed problem. Problem was solved, a month or so later, problem returned. I returned to dealer and they said nothing they could do. At the same time I was complaining about gas mileage, 20 mpg on highway, 17 city. I called gm customer satisfaction detroit, and had many discussions with them. Finally told me don't bother us any more about two problems, and to this point no resolution to either problem.

2011 GMC Terrain. Consumer writes in regards to engine problems and several other issues with vehicle. 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.