Engine Problem....HELP!
OK....today i went home for a few...and the last time i drove it the car pinged popped rattled and backfires....so i figured id change the coil wire while i had a few free mins cause i knew that was a problem. I changed it, put some new gas in it along with injector cleaner and boom the same thing happened....so i figured maybe i should get under the hood again for a better inspection. I sat there and revved it up..and listened to this thumping noise coming from the engine...i cannot explain it it almost sounds like something is loose and maybe its pinging but its a really weird noise....I really am stuck now cause this IS my set of wheels and i cannot drive the chevelle daily when it gets less than 10MPG...HELP!!!
Oh yeah the noise seems to be coming from the front of the block almost like the number 1 and 2 cylinders...
Its a 94 Z28 A4 with 60k on the clock..thanks
Cat will be gutted this weekend and New wires will go on...but i need other alternatives just incase these dont work! HELP!
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