What causes a GMC Terrain to run rough?

What causes a GMC Terrain to run rough?

When the vehicle is shut off for an extended period of time, it permits fuel to leak past the clogged or defective injector (s) – which floods the engine with raw fuel. When you start the vehicle, it is flooded and running extremely rich – thus the rough running engine.

What are the RPMs on a GMC Terrain?

The entire car shakes. RPMs start at around 1500 RPMs and slowly work their way down to about 510 RPMs and then stay. If you try to backup or drive while the car is stuttering, the engine will sound like it may stall out. After about 10-15 seconds after initially starting up, the car is fine and drives normally.

What should I do if my GMC Terrain starts stuttering?

If you try to backup or drive while the car is stuttering, the engine will sound like it may stall out. After about 10-15 seconds after initially starting up, the car is fine and drives normally. EDIT: 10) I had the High pressure fuel pump replaced under recall.

Can a GMC Terrain stall at any time?

Stalls can happen at any time, and it can be incredibly jarring when it does happen. Before troubleshooting any automotive issue, including stalling issues with the Terrain, make sure that you check the vehicles trouble codes with an OBD2 scanner.

Are there any problems with the GMC Terrain?

The 2014 GMC Terrain has 234 problems & defects reported by Terrain owners. The worst complaints are accessories – interior, engine, and transmission problems.

Why is my GMC Terrain hard start cold?

If the condition is a “Hard Start Cold” only, and you suspect that you may have a carbon issue causing a valve to stay open, follow the latest version of PIP5029 and perform a cold compression test. Also install a vacuum gauge prior to cold start and watch needle for signs of a sticking valve.

What to do if your GMC Terrain is stalling?

Before troubleshooting any automotive issue, including stalling issues with the Terrain, make sure that you check the vehicles trouble codes with an OBD2 scanner. Trouble codes are always a great place to start diagnosing problems on today’s modern computer controlled vehicles. Without them, you are in the dark. These codes are vital to diagnosis.

If you try to backup or drive while the car is stuttering, the engine will sound like it may stall out. After about 10-15 seconds after initially starting up, the car is fine and drives normally. EDIT: 10) I had the High pressure fuel pump replaced under recall.

What are the problems with a 2013 GMC Terrain?

The contact owns a 2013 GMC Terrain. The contact stated that the engine was consuming an excessive amount of engine oil. The contact stated that there was no warning light illuminated. The vehicle was not taken to a local dealer.

Why does my 2014 GMC Terrain stall out?

The failure mileage was 62,000. 2014 GMC Terrain with 66,000 miles stalling out when slowing/stopping, low acceleration, loud engine. Dealer says oil is low when it was just replaced 2 months (2,700 miles) ago. Cannot determine why vehicle is consuming more oil than what gm allows.

When the vehicle is shut off for an extended period of time, it permits fuel to leak past the clogged or defective injector (s) – which floods the engine with raw fuel. When you start the vehicle, it is flooded and running extremely rich – thus the rough running engine.

The contact owns a 2013 GMC Terrain. The contact stated that the engine was consuming an excessive amount of engine oil. The contact stated that there was no warning light illuminated. The vehicle was not taken to a local dealer.

The entire car shakes. RPMs start at around 1500 RPMs and slowly work their way down to about 510 RPMs and then stay. If you try to backup or drive while the car is stuttering, the engine will sound like it may stall out. After about 10-15 seconds after initially starting up, the car is fine and drives normally.

Is there a problem with my GMC Terrian?

In January 2018 I had noticed at drive thrus that I could hear a knocking sound coming from my 2013 GMC terrian. One day I was driving home on the highway and when I got to the stop light I noticed the sound got very loud and once the light turned green the car would not go.