evil dead

got a 95 gmc z71 1500 that won't idle down.Anybody got any ideas?

GMMerlin

Check for vacum leaks...especially the throttle body gasket.

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RABarrett

The gasket leak mentioned by the above replier is not visible the the eye as the Q-jet gasket leal is. You will not see it intil you remove the throttle body. The mentioned location is almost 100% the answer. Ray