Hmm....it does sound like it. High idle and the car sputters to it's death correct? LoL
Maybe a problem with the IACV??
I might take a look at it for you. Not sure if I can be a real help since I've got a Nissan, but it happened to me when re-installing the upper intake manifold. Forgot to clamp down a hose.
So I would say check all hoses, and let us know if there was anything that you did to the engine prior to the high idle.






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