c5 hdi 138 auto help please
Moderator: RichardW
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c5 hdi 138 auto help please
hi all,i have just bought a c5 hdi auto 138 07 plate ,full dealer history lovely car ,its done 1000000 miles ,goes really well ,mpg 37.6 ish .the problam i have is about every 150 miles it starts to misfire and gives out a bit of black smoke,if i give it power it goes well until i slow down then it starts to misfire again ,the garage i bought it from has changed the fuel filter but the problam came back yesterday ,they are having it back on monday to clean egr ,no faults come up on his scanner,any ideas please ,norman.ps good forum