Upon accelerating I notice a poping or backfiring sound coming from the engine compartment.What can be the remedy to fix it?
Jul 29, 2010 at 5:00 AM
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HMAC300
✓Experienced Mechanic
48,601 POSTS
if it's a true popping sound then it could be a valve train problem, which means cam lifter , pushrod, etc. It could also be a vacuum leak. Have someone look at it.