May 26 2008
what is code po401
| P0401 | Exhaust Gas Recirculation Flow Insufficient Detected |
In my shop, we replace the egr valve, the egr regulator and the egr sensor and this will fix the issue. You will want to get the parts from your local Ford dealers parts dept. Shouldn’t take an hour to replace the parts if you work on cars. If you do not, you may want to have it done for you.
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