What would cause a surging idle on an m20? Starts great, idled kinda high but steady until I put it into gear then it starts surging from about 1300-1800 rpm no matter what gear and even when back to park. Take the oil cap off and it idles high and steady. ICV, vac leak?
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jc43089
What would cause a surging idle on an m20? Starts great, idled kinda high but steady until I put it into gear then it starts surging from about 1300-1800 rpm no matter what gear and even when back to park. Take the oil cap off and it idles high and steady. ICV, vac leak?
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