'01 escape idles extremely rough

Asked by Dec 09, 2011 at 02:14 PM about the 2001 Ford Escort 4 Dr STD Sedan

Question type: Maintenance & Repair

idle fluctuates from 2,000 rpm to 500 or less, tries to die but when accelerator is pushed, revs real high and then idles real rough again. Have not been able to find any vacuum leaks. Once engine is warm, gets a LITTLE better but not much. Cold start is the worst for the rough idle.

2 Answers

85

i have the same exact problem with my zx2, im more the sure that its your IAC valve, (idle air control) its located under your throttle body under the mani, good luck

actually found the rough idle was a leaking intake manifold gasket AND a plugged CAT.

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