p0401 code on a 03
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Logistics Pro
Joined: Nov 2010
Posts: 3,673
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p0401 code on a 03
A friend of mine has a 03 with a new egr valve in it, runs great, no problems, but it has a p0401 code....
Low EGR flow is what that code means I believe?
Whats causing this?
Thanks for any info guys
Low EGR flow is what that code means I believe?
Whats causing this?
Thanks for any info guys
Elder User
Joined: Jul 2006
Posts: 577
Likes: 0
From: Stevens County, WA
I had that code about three years ago, cleared it and it has never come back. I believe it means the pcm commanded ther egr valve to move a certain amount and it didn't move as it was commanded.
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