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erratic idle on start

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36K views 10 replies 7 participants last post by  VolcanicF54  
H
#1 ·
Hi
My 2014 f56 petrol/manual has started to exhibit rough & erratic idle on start up from cold. After about 30 seconds it settles and the engine behaves normal.

Has anyone experienced this.
Any thoughts

Thanks
 
Discussion starter · #5 ·
Thanks for all your replies. The erratic idle happens roughly 6 out of 10 times. Like Keni it sometimes cuts out when reversing. Got my dealer to check it when I took the car for its 1st service but the diagnostic failed to reveal any fault. Had the high pressure pump cover replaced as per enhancement - I wonder if this is cause of the problem. I will let you know if the issue has improved,
 
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