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

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Old May 13, 2005 | 01:33 PM
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i was down at an old fashion car resturaunt and my car ran fine the whole way down...left and went through the gears till i came to a light..went to go again and all it did was pop and backfire. When i floored it, the poping went away but when i was just drivin normal all it does is pop and backfire until i let off or floor it..does anyone have a clue what the hell happened??? its a 94 trans am with the lt4 coversion..
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Old May 13, 2005 | 01:35 PM
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Originally Posted by ricknbird350
i was down at an old fashion car resturaunt and my car ran fine the whole way down...left and went through the gears till i came to a light..went to go again and all it did was pop and backfire. When i floored it, the poping went away but when i was just drivin normal all it does is pop and backfire until i let off or floor it..does anyone have a clue what the hell happened??? its a 94 trans am with the lt4 coversion..
No power? More details needed.
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Old May 13, 2005 | 01:50 PM
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MAF unplugged? FPR vaccuume line off?
Lots of options on this problem...
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Old May 13, 2005 | 04:18 PM
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any codes (SES light on)??????
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Old May 14, 2005 | 03:33 PM
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yes it had no power...ses light has always been on for the speedo not working...the vacuum lines r all fine...it fixed itself whatever it was...however i was driving in the rain last night and it did it again and it felt like it was running on 5 cylinders and it wouldnt go past 3 grand
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Old May 14, 2005 | 05:52 PM
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Sounds like the opti may be on it's way out
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Old May 15, 2005 | 10:46 AM
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opti, or possibly the ICM getting too hot. Have you done the spacer mod for the ICM yet?
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Old May 15, 2005 | 03:21 PM
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was the SES light flashing??? Do you have Longtubes, mid lengths etc...? DO you have o2 extensions, or make them yourself???
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