1990 Chevy Cavalier 3.1 nitemare

1990 CHEVROLET CAVALIER
189,067 MILES • 6 CYL • FWD • AUTOMATIC
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Z241990
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  • 1 POST
idels fine but any throtle movement and it bogs down with fuel, all sencers have been changed, and the ecm, fuel pump, filter and pressure reg. dos not thro any codes. where do i go from here? thanks
Sep 6, 2008 at 8:40 PM
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MMPRINCE4000
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  • 8,548 POSTS
Check fuel pressure with a mechanical gauge, check TPS output with a scanner.
If you can find a shop with a scanner that will scan the ECM, that would be best.
Sep 7, 2008 at 8:16 AM