1997 Pontiac Transport incorrect codes

1997 PONTIAC TRANSPORT
176,534 MILES • 6 CYL • FWD • AUTOMATIC
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RICHARDL215
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  • 1 POST
this vehicle misses after normal operating temp.it stutters when you re accelerate.it feels like the catalyst sytem is pluuged.but it never over heats
or stalls
Feb 2, 2008 at 6:09 AM
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MERLIN2021
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  • 17,250 POSTS
Any check engine light? If yes get the code(s) read. Autozone will read them free and give a printout, then post the result here...If the converter is clogged use a vacuum gauge at an intake port, you should have 16-22Hg. If the reading drops slowly, you have a problem in a converter or restriction in the exhuast...
Feb 2, 2008 at 7:06 AM