Question about 1998 GMC Sierra

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GMC Sierra won't start

My truck will turn over, appears to be getting fuel and spark but will not start. It began to run very rough from a stop when I attempted to accelaerate. That problem did not last long before it just would not start. A computer code reader indicates no problem codes. The service engine soon light is on. Any ideas how I can get it started?

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  • smokinscrapp Apr 29, 2009

    same prob. when i push the fuel pedal it would bogg down and die if i didnt back outta it. i know for a fact it is gettin spark and fuel to the test port. if i poor fuel into the throttle body it will start for a few sec. i think it is injectors but not sure

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I have my husbands spare key and the securaty lite came on and want let me crank it ...i forgot how to by pass it by turning on and off the switch

Posted on Sep 21, 2009

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Well if your service engine light is on I guarantee you will have a code ready to be retrieved!!! are you using a OBD 2 scan tool also are you hooking it up correctly?? and you do have a miss fire but you don't want to be GUE$$ING 1 of ten possibles.if your scanner is not working take it to someone whom has a functioning scanner good luck.

Posted on Jan 01, 2009

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