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Old 31st January 2020, 21:42   #4
david75
Posted a thing or two
 
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Rover 75 2.5 V6 Conn SE, 04

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Quote:
Originally Posted by stocktake View Post
Mine sometimes did this and when i blipped the throttle it became steady again. I ended up changing the throttle assy and it stopped the problem. i do believe it was an air leak somewhere on the throttle assy but never investigated further
that seems to concur with similar comments I've read elsewhere which also suggest taking off the idler control valve and giving it a good clean, so I'll have a look when I get a chance. Will be a new thing for me so I hope I can get it all back together without making it worse, or I might be back for more advice!
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