wierd.. very wierd
its most likely your OPTI....... I remember my car died, then it would take 4-6 to start and even though it was running great I knew I was fucked.. I replaced it and everything was great after that..
also, it seems like this loud *** "backfire" in the exhaust comes at 3500rpm in 3rd,4th gear. but yesterday i did a little burnout and it revved all the way flawlessly 1st-3rd.
the way it feels is at that RPM ONLY under load, even gradually going up to it, itll pull then feel like its engine braking and sound like it then BOOM! then what sounds like pieces of something hitting under the car and itll go back to normal right after that big bang.
the opti barely has maybe 10,000 miles on it. and has never seen water except a few times i drove in the rain. i have a heat cracked dryed out plug wire for cylinder 4, so maybe thats causing it. i electrical taped it for now and put the heat sleeve back on it.
Last edited by Revelation Z28; Jan 25, 2008 at 07:38 PM.
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check your fuel pressure regulator. the vacuum line could be sucking in gas causing the backfire. it did it to me right before this fuel pump problem.
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