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

running open headers ?

Old Mar 26, 2009 | 09:53 AM
  #41  
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try resetting the pcm by unhooking the battery for about 15-20min
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Old Mar 26, 2009 | 10:09 AM
  #42  
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This could be your problem, First off at WOT you do not go off of 02's only at cruise, what could of happened is at cruise driving the O2's were signaling off of fresh incoming air thinking it was a lean condition and started to add fuel, thus your spark plugs may be fouled, Check your plugs....
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