engine wont turn but will crank


Old 10-17-03, 03:52 PM
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engine wont turn but will crank

i have a 97 gmc suburban the engine will crank but wont turn over added gas to the fuel inj. (carb.) and it almost turned. do i have a vapor lock?
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Old 10-17-03, 04:05 PM
darrell McCoy
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Can you hear the fuel pump running. Check the fuel pressure.
Old 10-17-03, 07:09 PM
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Location: Boynton Beach Florida
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Vapor lock unlikely

Sounds pretty likely you have a fuel related problem. Fuel pumps are pretty common. Cycle the key on and off while someone listens for the pump at the tank. It will only run for a few seconds on each key cycle.
Old 10-18-03, 08:31 AM
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take a rubber mallet and rap the underside of the fuel tank while somebody cranks the engine. this might get the fuel pump to run...
Old 10-18-03, 07:47 PM
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I agree with BG.

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