P0401 Diagnostic Trouble Code Discussion for November 2021
Insufficient EGR Flow Detected
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| Help Request | Posted | |
| 1996 Ford Bronco Eddie Bauer 5.8L Excessive Emissions, Stall VIN: 1FMEU15H8T P0401: egr flow insufficent detected. This one is kicking my butt. Customer states check engine light comes on and sometimes turns off. Connected the scan tool and found LTFT both banks at -25%. STFT were hovering around 0, +/- 5. I checked fuel pressure and found it was good at about 32-38psi... |
November 15, 2021 |
