P0401 Diagnostic Trouble Code Discussion for January 2021
Insufficient EGR Flow Detected
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| Help Request | Posted | |
| 1998 Ford Econoline Super Duty Custom 6.8L Misfire, MIL Lamp on VIN: 1FDXE40S7W P0401: Egr flow. Thanks to all in advance. I got this box van after another shop scanned computer and found above codes. I verified what was in memory, ckd freeze frame, did koeo and koer tests to find a p0304 and p1408. Took cover off to find egr vac line off and dpfe hos... |
January 21, 2021 |
