CAR DIES AS SOON AS IT'S WARM

1990 Pontiac Sunbird

Tiny

MistaPhi

March, 29, 2010 AT 1:41 PM

Engine Mechanical problem
1990 Pontiac Sunbird 4 cyl Two Wheel Drive Automatic 180000 miles

I just purchased a 1990 Sunbird. It start's when it's cold and runs rough. After about 3-5 minutues it dies and won't even fire again until it's cooled for a couple hours. The fuel pump's working and the filter is not restricted. Could this problem be caused by bad plugs?

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Tiny

JDL

March, 29, 2010 AT 1:47 PM

Hi, how long since a tune-up? Any applicable trouble codes? When it refuses to start, have a helper crank it, while you visually check for spark at the plugs. If you have spark at the plugs, Use a gage and check fuel pressure. Some of the national brand autostores used to loan out a fuel pressure gage, if you don't have one.

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