I don’t understand why but my GMC Terrain keeps jerking suddenly. I’m kind of worried that something might be wrong with my car. What would cause my car to jerk forward like this?
Reviewed by Shannon Martin, Licensed Insurance Agent.
Uh oh! That definitely doesn’t sound good! I’m sorry to hear that your GMC is jerking like that. You’re right to be worried; often, that sort of behavior is a sign of worse issues developing. There are several reasons why your GMC Terrain is jerking forward, but the most common cause would be dirty fuel injectors.
If your fuel injectors are dirty, it would lead to the engine not receiving the proper mixture of air and fuel, causing the engine to lose adequate power and result in a misfire. The result would be your
would jerk forward when you’re accelerating or attempting to maintain a consistent speed. To resolve this, you should have a qualified professional clean your fuel injectors.
Other possible reasons why your GMC Terrain would be jerking forward include:
Fuel line blockage
Dirty or faulty air filters
Damaged acceleration cables
Blocked catalytic converters
Damaged cylinders or gas lines
Worn out spark plugs
Any of these issues will need to be assessed and repaired by a trained mechanic. You should take your car into the shop before the issue worsens.
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