My4.6 l thunderbird is pulsing back an forth from 600-900 and back constantly?
It will start and drive fine but constantly pulse from 600 rpm to 900 or 1100 rpm and back
Seams to be getting worse!
It will start and drive fine but constantly pulse from 600 rpm to 900 or 1100 rpm and back
Seams to be getting worse!
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