2006 Focus 1.6 Tdci

[dale521]

hi im after abit of help i have got a focus 1.6 tdci the better one with no dpf my engine management light came on so i code read it and it came up with 3 codes p042f p0490 p0405 witch all linked to my egr vale so i have replace it with a good working genuine one and still get the codes but i have noticed with ignition on if i clear codes they go leave it 1 minute with ignition still on then read it again i get the same codes back just wondering if any one can point me in the right direction

[mick85]

That means they hard faults an won't delete till fixed tell me exactly wat fault descriptions are any is ur car running ok