2000 sunfire wont start

Asked by Mar 09, 2010 at 06:09 AM about the 2000 Pontiac Sunfire SE

Question type: Maintenance & Repair

engine wont start unless you pump the accelerator and runs if you keep the rpms up, it dies if you try to let it idle. I replaced the fuel pump and crank position senor. it was running fine one day and wouldnt start the next.

1 Answer

925

I'd check the fuel pressure regulator, it should be on the return end of the fuel rail under the hood, just pull the vacuum line off, if any gas comes out, you need a new one

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