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1990 GMC S15 Jimmy Question: after warm up it stalls have to use full throttle to start serges while driving

 

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racer44, Thomasville, NC, November 26, 2011, 14:29
 Rookie

it acts if it is flooding can this also be the fuel pump? I was thinking throttle position sensor but not sure. It wont idle after it warms up. hold throttle to floor to restart smell gas. The serging is at any speed including highway.

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  • Answer #1

    anthony000 February 15, 2012, 04:30
     Rookie

    look for any vacum leaks and you may have to check the compression cuold be head gasket leaking

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