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66 plate Renault master 2.3 diesel flat spot

1K views 6 replies 2 participants last post by  Fleggins 
#1 ·
Hi
Has anyone come across a flat spot on one of these. I have had this van since 40,000 molies and it is now on 115,000 miles covered this in about 14 months. I have never had any problems until in the last couple of months where it has inherited a flat spot. It accelerates beautifully and fast up the gears and will pull like a train, but if you decelerate down to between 70 and 60 you can feel slight hesitation and when you hit the throttle again you have quite a big flat spot.
Someone has mentioned egr, I have put diesel treatment through it and cleaned the maf, any suggestions would be gratefully received
Thanks
Phil
 
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