UK Car Repair Questions? Ask a Mechanic for Answers ASAP
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Based upon the symptoms and how soon they appear, the egr valve needs to be replaced at this point
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ok, sounds good
and no other codes besides the P0402?
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Have you checked to make sure the EGR ports on the engine are all cleaned of carbon?If not I would see if these can be cleaned to see if this corrects this fault here as this can sometimes occur and cause this issue.
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