why pump gas when starting

Asked by Jan 22, 2007 at 06:58 PM about the 1991 Pontiac Grand Prix 2 Dr GT Coupe

Question type: Maintenance & Repair

Even with EFI I have to pump gas to start, it won't idle untill warmed up whts up?

3 Answers

8,155

Here is a link to someone with the same problem. Read the answer at the bottom, which will be helpful: http://autorepair.about.com/library/faqs/bl091b.htm

1 out of 1 people think this is helpful.

sounds like trottle postition sensor.

1 out of 1 people think this is helpful.
195

Clean throttle body.

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