Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
Hello, my name is***** for the question. Can you tell me what size engine this is? Is the check engine light coming on?
Thank you. Most of the time this is caused by a leaking intake manifold gasket. This is a common issue on this engine. It will leak slightly when the engine is cold and once it warms up it will seal and run better. It may also be a dirty mass air flow sensor, so you may want to try cleaning that first.
I gave you an answer. What else would you like for me to help you with. Do you know how to test for these things?
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