Replaced the LIM awhile back and keep getting a P0401 trouble code which is Insufficient EGR Flow. I have checked and checked again all of the vacuum lines. Anybody have any other ideas?
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02-10-2012
Replaced the LIM awhile back and keep getting a P0401 trouble code which is Insufficient EGR Flow. I have checked and checked again all of the vacuum lines. Anybody have any other ideas?
02-10-2012
Our EGR is controlled from the computer not a vacuum line.
Pull the EGR off and clean it really good and install it again and clear the code. If code comes back, then you'll have to dig deeper into the issue.
02-11-2012
I tried cleaning it already, what else do I look for?
02-11-2012
Make sure the tube it connects to is clear. The one to the exhaust and the one to the intake.
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