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1990 GMC S15 Jimmy Question: 4.3 liter engine. throttle body not working...its a 1988 not a 1990

 

Question

Jesse B, Biloxi, MS, August 22, 2009, 13:34
 Rookie

gas goes into the throttle body but doesnt come out. i have cleaned it and changed the injectors and it still does it. it happens about 1 out of 5 times i try to start it.

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  • Answer #1

    August 22, 2009, 18:38
     Master

    I assume when you say that the throttle body doesn't work you mean it doesn't start. It would be very helpful if you could tell us what size engine you have.

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  • Answer #2

    Visitor, April 09, 2010, 11:43

    1990 gmc sonoma 4.3 ,gas goes into the tbi, but doesn't
    come out.still engine doesn't start. what's wrong with it? please answer.

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  • Answer #3

    February 15, 2012, 04:15
     Rookie

    change the tps (throttle posicion sensor) that will fix it..

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