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| Team Camaro Tech Current Topic: 94 Z28 Lt1 Backfiring,missing after a few miles | ||
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#1
Oct 25th, 07, 06:39 AM
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94 Z28 Lt1 Backfiring,missing after a few miles
New to site - HELP - I have a 94 Z28 LT1 (84,000+ miles) It starts right up and idles smooth as can be (for hours if I let it), but as soon as I drive a mile (or 2 or 3 or 4) it starts missing like hell, backfiring or wants to die. If I keep the RPMs up I just hope it makes it back home. Also, the amount of gas it goes thru is just amazing, but there is no gas odor or leakage.
Back home (by luck) I can turn it off and then start it up and I'll be damn, it idles as smooth as can be again. HELP 
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#2
Oct 25th, 07, 07:13 AM
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Re: 94 Z28 Lt1 Backfiring,missing after a few miles
Optispark going bad?
Has it ever been changed? Gradual problem or develop overnight? Broken fuel pressure regulator diaphram? Pull off vacuum hose to see fuel, should be dry.
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