code 0401 egr, also engine seems to missfire or code 0401 egr, also engine seems to missfire or hesitate at higher rpm (4000) Ok this is a pretty inexpensive problem if you have some basic mechanical ...
What is code 0401 insufficient flow to EGR valve A code P0401 likely means one or more of the following has happened: The DPFE (differential pressure feedback EGR) sensor is faulty and needs to be ...
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