Varying RPM. Any suggestions??
I am having a varying idle problem. My condition is that when I hold the idle at a fixed throttle (anywhere in the RPM range) it will fluctuate up and down about +/- 100-200 rpm.
Is this a vacuum problem?... A fuel flow problem?....something else?
Again, it's everywhere in the rev range and most noticeable with the car not moving. When the car is moving it gives a "surging" effect.
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