Question about 1994 Chevrolet S-10 Blazer
My 96 blazer is revving at about 3100 in park and neutral and accelerates on its own to about 40 45 mph anyone know why this is happening?
You have a stuck/defective IAC(idle air control) motor or a HUGE vaccum leak.Or,your throttle cable could be binding,causing the throttle to stick.
Posted on Dec 06, 2012
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Posted on Jan 02, 2017
SOURCE: rpm running high when park
well. your idle is just high. you can get a screw driver and find the idle screw on the throttle body. . and jsut adjust there , , that is if there are no problems.
now it also maybe a leaky intake. . . . but i think its jsut more of a small adjsutment. . 8)
Posted on Oct 22, 2008
I'm actually going through the same thing, after i just had my fuel pump replaced. Mine turned out to be my Mass Air Flow sensor (MAF) which when not working properly has the same effects as your acceleration not working.
Posted on Oct 05, 2009
SOURCE: my blazer runs butiful when
Do you find that it does better when cold, then gets real bad as it warms up?
If so, then the catalytic converter is plugged and needs replacing.
A scope check by mechanic should confirm this.
If it's not been replaced for last 100k to 200k, then it should probably be done anyway.
Cats go bad usually because of long term poor quality ignition, blowing to much unburned gas into eshaust system. Does your 89 Blazer fit this description?
Beyond that I can't help you. Others on this site know more about it.
Posted on Jan 09, 2011
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