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        General >> Give/Need advice to/from others >> Idle surging
        
(Message started by: gawsworthboy on Mar 22nd, 2010, 11:00pm)
Title: Idle surging
Post by gawsworthboy on Mar 22nd, 2010, 11:00pm
Here's an odd one gents. 8 valve has started to surge from 1000 revs up to 2000 and back down. Suspected TPS so disconected battery for a couple of hours and it was ok for 10 mins. Now surging again but check this out...if I switch the heater fan to position 2 normal idle returns???? What is that about? How can a drop in resistance to the heater switch affect the idle rate?
Any help greatly appreciated. ???


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