Question about 1997 Pontiac Sunfire
You need to check to see if the fuel pressure bleeds down, hook up a guage to the fuel rail port, turn key on for a moment then turn it off, the fuel pressure should not drop more than 5 PSI in 24 hours, if it does the fuel pump check valve is defective, this allows the fuel lines to drain down and causes long cranking to start. You will have to replace the pump to fix this problem.
Posted on Aug 28, 2008
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