
P0172 Diagnostic Trouble Code Discussion for April 2024
Fuel System Rich (Bank 1)
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Help Request | Posted | |
2003 Mazda B4000 SE 4.0L Misfire, MIL Lamp on, Extreme lean VIN: 4F4ZR47E13 P0172: Adaptive Fuel Trim Too Rich (Bank 1). I'm at a bit of a loss here due to conflicting data. Not sure if I'm overlooking something, but I suspect the computer is the issue. It came in with an extreme lean condition both banks, at times around 45% ST which is higher than anything I recall seei... |
April 04, 2024 |