P0172 Diagnostic Trouble Code Discussion for August 2022
Fuel System Rich (Bank 1)
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P0172
| Help Request | Posted | |
| 2002 Mercedes-Benz C240 2.6L MIL Lamp on VIN: WDBRF61J32 P0172: rich bank 1. ... (p0172-p0175)that comeback for rich mixture.hot both o2 sensors work correctly varriyng from .1 to .9 all the time,good fuel pressure but mass airflow sensor read 6 to 7 gr at idle.i checked on identifix and it says it should e at 3 to 5 gr.in the pas... |
August 13, 2022 | |
| 2001 Lexus IS300 3.0L Excessive Emissions, Poor Fuel Economy VIN: JTHBD18261 P0172: Fuel System Too Rich (Bank 1). ... codes p0172 and p0175. vehicle does have a K&N Air intake and filter. Check numbers for the K&N and it fits the vehicle. all pids are at idle. Lt Bank 1 30% and St Bank 1 19% Lt Bank 2 29% and St Bank 2 20% MAF g/s 5.9 I replace the MAF be... |
August 17, 2022 | |
| 2001 Lexus IS300 3.0L Excessive Emissions, Poor Fuel Economy VIN: JTHBD18261 P0172: Fuel System Too Rich (Bank 1). ... codes p0172 and p0175. vehicle does have a K&N Air intake and filter. Check numbers for the K&N and it fits the vehicle. all pids are at idle. Lt Bank 1 30% and St Bank 1 19% Lt Bank 2 29% and St Bank 2 20% MAF g/s 5.9 I replace the MAF be... |
August 18, 2022 |
