LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Another 94z28 problem!

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Old 03-18-2008, 05:38 PM
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Default Another 94z28 problem!

Ok guys, my brother and my cousin both have 94z's and I think we figured out the problem with my brothers, but my cousins is a different story. When the car is idling it dont feel to bad at all. When its in park or neutral and you rev it up it seems fine, but when you have it in gear it seems like its missing really badly. I took it for a drive down the road and WHAT A TURD. The car has NO power what so ever and seems as though it's running on 4 cylinders. We hooked the scan tool up to it and it through the air pump code. Could this be causing this kind of problems? The car has new plugs, new wires and the gas in the tank is good...lol. OH...one other thing. If you take the car to WOT it runs fine and you cant tell its missing.....but when you let off and go back to normal driving its the same ole thing.....what do you guys think???? and sorry about this short book i wrote.
Old 03-18-2008, 06:30 PM
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o2 sensors? they will make the car run crappy before throwing a code




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