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Originally Posted by jeffcoslacker
Might wanna do a vacuum test to rule out a cat restriction, etc.
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Well I know its not the cat, because I had to fix an exhaust leak, and when it was out I put a vacuum cleaner hose on one end and turned on the vacuum and it had no restriction whatsoever.
I just remembered something else, I had a 1998 chevy pick up that died on me, replaced fuel pump, filter relay, and it happened again! I ended up running a higher guage wire to the pump and it never had another problem, I might try that too, I will update this post if that cures it! GM likes to run tiny wires to the fuel pumps. I actually did that on my 97 grand prix as preventative maintenance, and that car has almost 220k miles on it! That or the fuel injectors is my guess, but keep the posts coming! thanks!