pulled my idle controll valve off to yesterday bit two of the pipes were blocked up with what seemed to be mud. Plus the ends of the pipes had started to rot away.
The car idled fine before but what couls be the cause?
My guess is old old old coolant that hasn't been flushed in a while. "Radiator stop leak" coins that you drop in the cooling system turn muddy after a while. Pop your radiator cap or just flush the coolant system and tell us what you see.
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