Drive a 94 3000GT SL Mitsubishi. Get intermittant rpm fluctuations some of the time. Normal other times. Maybe a bad air regulator of some kind? Eric in MT
Several possibilities. Have you had your intrument cluster out lately. If so push on it real solid. Might have loose connection. Mine did. Also could be your PTU going bad or ecu going bad. Or loose connection between any of them. The signal starts at your PTU then goes to ecu then up to the cluster. Check all connections.
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