2001 Ford Ranger 4.0L 4x4 has code p0401, what do I need to fix?
HI there
This code points to an issue with the EGR. There are several possible causes for the code. I would check and make sure the air tube for the egr is not blocked.
P0401 FORD - Exhaust Gas Recirculation Flow Insufficient Detected Read more: https://www.autocodes.com/p0401_ford.html
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