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  1. D

    Rough Idle after changingn EGR valve

    Hi Guys, Like a lot of guys Im chasing the check engine light on my 05 Explorer 4L. I had a P0401 error code so I changed the EGR valve. Immediately after changing the valve I started have cold start issues and a very rough idle during 3-4 sec after starting. Could the the EGR valve cause...
  2. D

    Rough Idle after changingn EGR valve

    Hi Guys, Like a lot of guys Im chasing the check engine light on my 05 Explorer 4L. I had a P0401 error code so I changed the EGR valve. Immediately after changing the valve I started have cold start issues and a very rough idle during 3-4 sec after starting. Could the the EGR valve cause...
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