P0401 Diagnostic Trouble Code Discussion for December 2023
Insufficient EGR Flow Detected
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| Help Request | Posted | |
| 2007 Jeep Commander 4.7L MIL Lamp on VIN: 1J8HG48P67 P0401: EGR System Performance. getting code P0401 EGR Performance system. Replaced EGR valve a couple of times. The last valve was from the dealer. Sent the computer to be checked or repaired. No problems were found. There is a small amount of voltage in the control circuit. Voltage is ... |
December 16, 2023 |
