Question about 1992 GMC Sonoma
When my engine is on it makes a tapping sound like right in the middle of the engine it sounds like tap,tap,tap,tap,tap,tap and i thought it might be my push rods. But what do you think?
It could be a bent valve, push-rod/s, piston slap, connecting rod bearings,bad fuel, timing, could need a tune-up,knock sensor, bad fuel, or water in fuel. You can start by looking at the vehicles repair/maintenance history, preform a dry and wet compression test,and take it from there. If I can be any more help let me know, thank you.
Posted on May 31, 2009
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Posted on Jan 02, 2017
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