So, I've changed just about anything you could imagine trying to fix this problem. Although it's better it's still there... It seems to do it really bad when I stop and turn off my headlights. Anyone have an idea what could cause this... my check engine light and horn do not work either... Could this all have something to do with the alternator?

 

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have you checked the dizzy?

maybe you have a v. leak some where. does your engine almost die out?

do your headlights flicker? or radio ever cut out? (if yes then check the alt)

the cluster might have burnt out bulbs, not too sure about the horn though

 

sprey some brake clean in to the idle air controle valve, clean out your map sensor

 

the engine almost dies when i first crank it... the radio never shorts out.

 

try spreying carb cleaner through the iacv

 

I've replaced the IACV.... i'm thinking it might be the MAP, that would cause shorting?