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Focus fault codes

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Hi, got some faults codes via a code reader but can’t get any info yet as to what they mean, 

PO234 , PO42F , PO490 any help advice would be really appreciated, car is a focus 1.6 tdci 2009 

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  • 1 year later...

Hi did you get this sorted. If you did please help me haha I got the same issue it is EGR related but changed EGR and got it programmed but faults came back..

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