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Re: PLEASE HELP!! 96' lumina catalyst trouble code..cant figure it out!!!
Spend $25 for a diagnostic vacuum guage. Hook it to a manifold vacuum source, warm the motor up real good, then hold it at 2500 rpm steady and watch the gauge...if the reading falls off the longer you hold it, the cat is partially blocked..
If you can run the motor up fine in park but not in gear, I'd be wondering about a fuel delivery problems, which causes incorrect mixture and subsequent exhaust gas/cat efficiency problems...like you said, the cat code could be symptomatic, rather than the problem...
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You made three mistakes. First, you took the job. Second, you came light. A four man crew for me? F**king insulting. But the worst mistake you made...
...empty gun rack.
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