3rd Gen / L98 Engine Tech 1982 - 1992 Engine Related

misfire please help

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Old Sep 27, 2003 | 12:17 PM
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lordmetalz28's Avatar
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misfire please help

whats the signs of a dead cylinder i have like a pop pop noise coming from my exhaust wondering what it can be
Old Sep 27, 2003 | 02:14 PM
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Figure out why it is dead. No spark or fuel? No compression? Head gasket leak, valve leak?

If it has spark and fuel then run a compression test on that bank and let us know what you get.
Old Sep 27, 2003 | 04:47 PM
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it really didnt start misfireing till last weekend when i degreased the motor if i had a dead cylinder would i feel it. would i lose gobs of power because she still feels very powerful
Old Sep 27, 2003 | 10:53 PM
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anybody?????????
Old Sep 28, 2003 | 04:39 PM
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when does it happen? when you rev it or constantly, does it go away when the car warms up, does the air temperature affect it etc.. is it a popping noise or a ticking sound? where can you hear it? could it be a sticking valve?
Old Sep 28, 2003 | 08:15 PM
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seems to happen after it warms up. today it didnt happen as much and it was colder. i usually can here good when im sitting in the driver seat dont really notice it at the tail pipes. my car revs fine and has tons of power. it happened right after i degreased the motor and sprayed the engine down my cap n rotor i covered with plastic my engine harness was cut up and repaired i covered that and i had to injector wires from a cadillac i had to install i didnt cover them up.
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