General tdc?

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General tdc?

davidrainb

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Jan 29, 2008
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hi all, i have a problem with my rev counter it drops very slowly and on occasion my go back up and then come back down again. you guys any ideas its a 115 16v if it is tdc can you tell this idiot where it is many thanks:bang:
 
an erratic idle is usually due to a dirty throttle body or throttle position sensor (on the side of the throttle body) or a dirty idle speed control actuator. clean it all up, leaving the battery disconnected while you do (to reset ecu so it relearns idle) and fingers crossed it should do the trick.
 
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