bluesmoke Posted March 5, 2015 Posted March 5, 2015 hi i have a 2008 (58) new shape c5 tourer dw10bted4im having trouble with the car having a flat spot randomly below 3000 rpm .also the car can cut out in traffic but starts straight back up.There is no eml on but there is a intermittent code of p2562 ,which I believe is turbo under boost?I have checked all vacuum pipes and intercooler pipes ,changed the pierburg vac solenoid to the turbo .removed and cleaned the dpf filter.i carried out an injector leak off test and all looked even.im just about out of ideas anyone help ? Quote
Randombloke Posted March 5, 2015 Posted March 5, 2015 I suffered a similar lack of power and poor economy but not a flat spot. It was the EGR valve, which has now been replaced. Yours may also be the EGR valve, and to test out this theory you could buy a £2.50 blanking plate on eBay, install it and see if this fixes the problem. Quote
bluesmoke Posted March 5, 2015 Author Posted March 5, 2015 hi thanks for the reply I cleaned the egr in the summer and removed the inlet manifold at the same time as it was really sludged up .I did think the egr was sticking due to sometimes it runs great . I will take a look on ebay and see thanks Quote
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