P0172 Diagnostic Trouble Code Discussion for August 2017
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2014 Subaru Forester 2.5i Premium 2.5L Excessive Emissions, Hesitation, Surge, MIL Lamp on VIN: JF2SJAEC3E P0172: System too rich Bank 1. ... read related repair first. I'm attempting to resolve a long term issue with this Subaru that runs rich (P0172). I've performed fuel pressure tests, inspected vacuum lines, scanned vehicle, captured freeze frame data (which I will share as attachments thru ... |
August 01, 2017 | |
| 2005 Acura TL 3.2L MIL Lamp on VIN: 19UUA66255 P0172: Fuel System Too Rich (Bank 1). Hello, car came in with check engine light on. Code po172 bank one rich. Check fuel trims and verified bank one is running rich -15%ST and -10%LT. Bank 2 is normal. Swapped air/fuel sensors. no change in fuel trims. Removed valve covers and checked valve adjus... |
August 09, 2017 | |
| 2005 Acura TL 3.2L MIL Lamp on VIN: 19UUA66255 P0172: Fuel System Too Rich (Bank 1). Hello, car came in with check engine light on. Code po172 bank one rich. Check fuel trims and verified bank one is running rich -15%ST and -10%LT. Bank 2 is normal. Swapped air/fuel sensors. no change in fuel trims. Removed valve covers and checked valve adjus... |
August 11, 2017 |
