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Re: 1991 3.1 mpfi cavalier rs wont start no engine light
Hi Bill and welcome to TSF,
My guess would be restricted fuel flow. Likely the filter. I looked to see what the PSI is susposed to be, but I don't have a book that far back. A drop of 8 psi on accelerating is more than I would expect. I'm thinking that 4 to 6 psi drop is normal.
Not much help, but that is my thoughts.
Very best regards,
Mack1
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