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General GM ChatWhen starting new posts, please specify YEAR, MAKE, MODEL, ENGINE type, and whatever modifications you have made.
Chat about all things GM (and related cars). Off-topic stuff should be in the Lounge, and all Model specific mechanical problems should be posted in the proper forum.
Van has a hard time idling, but starts up normally when we pump the gas. Noticed today, after it stalled out, the coolant has been foaming white...any ideas?
I agree possible headgasket. Does the cooling system have pressure after a few minutes of running ? And you might want to pull the plugs and check for coolant on the plugs.