rough idle and revs hunting

Benjamin

Regular Member
Joined
Jan 24, 2018
Points
20
hi all, having a few issues with my idle speeds engine is M44
the idle is very lumpy and also revs drop then pick back up but in an irregular pattern.
spark plugs are recent also vac lines are good
i have guessed DISA valve and have pulled it out to clean, but any other ideas would be grand :)

thanks
 
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