P0172 Diagnostic Trouble Code Discussion for June 2018
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2011 Subaru Impreza WRX STI Limited 2.5L Hesitation, MIL Lamp on VIN: JF1GV8J67B P0172: System too Rich. This turbocharged Subaru has a severe lack of power and hesitation when pulling away from a stop and is noticeably down on power when driving. When code is cleared, vehicle drives well until fuel trim is adjusted by computer and code sets. This led me to b... |
June 20, 2018 | |
| 2006 Land Rover LR3 4.0L MIL Lamp on VIN: SALAE24406 P0172: Fuel Trim Rich Bank 1. ... on a Land Rover. I got this fellow's LR3 a month ago with both P0172 and P0175. MAF readings seemed unusually high at idle. And at the time LT trims were around -15 and ST trims were around -5%. I replaced the MAF with a Delphi sensor from Worldpac. ... |
June 26, 2018 |
