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

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.

by in Biloxi, MS on August 22, 2009
3 answers
ANSWER by on August 22, 2009
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 by on April 09, 2010
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 by on February 15, 2012
change the tps (throttle posicion sensor) that will fix it..