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    help again!!!

    ok the problem im having is that the truck runs and idles up and down until i unplug the map sensor or unhook the vaccum line to it. Then it idles fine and will run i dont understand the problem? Every sensor on the engine is new along with a new ecm and the head gasket was recently done idle...
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    help!!!

    this truck is 1990 gmc k1500 with a 5.7 liter Ok... so i had a really bad leak in my intake truck ran for a bit i shut it off and was gonna just run it to pull it in the bay of an auto shop didnt start.. figured it was something to do with my intake manifold gasket.. got it all fixed truck would...
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    heads for carbed 350 on tbi engine?

    hi i have an engine question i have a set of heads of a carberated 350 and would like to know if i could use them on my tbi set up
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