SC High idle
Hi everyone, i did a quick search and couldn't find the answer i was looking for...Hopefully someone can chime in.
I'm getting idle @ 3k rpm's after shutting down the engine (hot) and starting it back up again anywhere after 10-15 minutes. If i wait about a 1/2 hour to 45 minutes, the engine ides where it should. Any thought's? When this happens I have to slowly get into gear and then let out the clutch so that the RPM's drop, but the moment i plant the clutch pedal the RPM's increase again until I can begin normal driving. I was thinking it was the Idle Control Valve/frequency valve, the Auxiliary Air Regulator or EGR Return Valve-not sure which one...
My CIS is in pretty good shape, all new vacume hose's and air box/seal. air
valves and the above mentioned are original. I appreciate any help, TIA.
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1988 3.2 Cab
2005 997.1 C2S
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