2004 avalanche engine light comes on going up hills


Asked by dougy Aug 31, 2013 at 12:21 AM about the 2004 Chevrolet Avalanche 4 Dr 1500 4WD Crew Cab SB

Question type: Maintenance & Repair

engine light comes on going up hills and motor fells slugish, goes out in same day or next

2 Answers


Go to your local auto parts and have the codes read. They will do this for free. Post the codes back on here and we will be able to help you figure out the issues you are having.

1 out of 1 people think this is helpful.
Best Answer

dont know the numbers but was told it was mass air flow senser.

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