P0172 Diagnostic Trouble Code Discussion for April 2023
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2016 Honda Civic EX-T 1.5L Misfire, MIL Lamp on VIN: 2HGFC1F3XG P0172: system rich. Got this direct injected turbo charged 1.5 liter Honda civic with fuel trims @ -28% running rich @ all load and RPM. Slight misfire felt on start up cold. Have tested fuel pressure (low side) @ 60 psi seems normal. All sensor data looks ok, MAP.67V @ idle,... |
April 11, 2023 | |
| 2010 Volvo XC60 T6 3.0L Surge, MIL Lamp on VIN: YV4992DZ1A P0172: System rich. Previous history unknown. Replaced ignition coil to remedy misfire. Changed engine oil and filter. Now engine seems to run good, except at cruise, it seems to stumble(best description I can come up with) not really a misfire. MAF readings seem to be within... |
April 22, 2023 | |
| 2013 Volvo S60 T5 2.5L MIL Lamp on VIN: YV1612FS8D P0172: System too rich. ... bit. We don't mess with too many Volvos here. We replaced the breather/oil trap assembly which was clearly malfunctioning (unable to remove oil cap while running). The part is new from the dealer. Vehicle is still setting the P0171 and P0172. This occ... |
April 27, 2023 |
