Question about 1989 GMC Sierra
WHEN I STEP ON THROTTLE IT STALL AT THAT POINT. IF I PUSH PAST THAT PIONT IT REVS UP FINE.LET OFF AND IT KEEPS STALLING AT THE FIRST POINT WHEN I STEP ON IT AGAIN.I REPLACED THE PLUGS AND CLEANED THE THROTTLE BODY REPLACED THE TPS ALSO PUT IN A USED DIST OUT OF A RUNNING TRUCK.AFTER IT STALLS I HAVE TO HOLD THROTTLE TO FLOOR LIKE IT IS FLOODED.ANY HELP WOULD BE GREAT. THANKS PAUL
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: 1995 GMC JIMMY
I had a problem just like that on my blazer and it turned out to be the wire harness on the fuel injectors. It could also be your fuel injectors, had to replce mine at 85000
Posted on Aug 04, 2008
i would check the dist.cap and wires.this seems to be a place to start.check all vacum lines.would also check fuel pump pressure.you need to determine if its fuel or elect.may also consider cam sensor.
Posted on Dec 09, 2009
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