What Causes rough idle on startup?
A rough idling engine can be caused by spark plugs or spark plug wires. Spark plugs use the electrical current received from ignition coils to ignite the air/fuel mixture within the combustion chamber. A plug that is damaged or installed incorrectly can result in fuel being burned at an inconsistent rate.
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.
When did GMC Terrain Engine need to be replaced?
Oct. 2012 Engine was replaced due to defect. (using oil). Under warranty. Before this repair was performed, vehicle worked perfectly, excellent performance. Once repair was done, vehicle worked terrible,poor fuel mileage, engine sputter etc. Actuators, lower solenoids, timing chain, seals, replaced. Oil flushed.
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.
Are there any problems with the 2015 GMC Terrain?
The contact owns a 2015 GMC Terrain. While driving 30 mph, the vehicle began to hesitate and the check engine warning indicator illuminated. Also, when depressing the accelerator pedal, the vehicle would not exceed more than 20 mph. The contact noticed oil and transmission fluid leaking from the vehicle.
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.
Oct. 2012 Engine was replaced due to defect. (using oil). Under warranty. Before this repair was performed, vehicle worked perfectly, excellent performance. Once repair was done, vehicle worked terrible,poor fuel mileage, engine sputter etc. Actuators, lower solenoids, timing chain, seals, replaced. Oil flushed.
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 causes check engine light on GMC Terrain?
INSPECT AND REPORT FOR CHECK ENGINE LIGHT ON. DIAG 1.0 IF CP CUSTOMER BELIEVES THAT IT MAY POSSIBLY BE A CAT CONVERTER. WAS IN FOR SAME ISSUE ON RO# 1009189.