P0172 Diagnostic Trouble Code Discussion for February 2018
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2002 Mercury Sable LS Premium 3.0L Excessive Emissions, MIL Lamp on, Hard Start VIN: 1MEFM55S02 P0172: System rich bank 1. ... help. This vehicle has been in 3 or 4 different shops over last few months in an attempt for the customer to find a resolution to the problem she is having. All of the shops have sent her on her way saying they don't do this type of thing... Orig... |
February 04, 2018 | |
| 2002 Mercury Sable LS Premium 3.0L Excessive Emissions, MIL Lamp on, Hard Start VIN: 1MEFM55S02 P0172: System rich bank 1. ... help. This vehicle has been in 3 or 4 different shops over last few months in an attempt for the customer to find a resolution to the problem she is having. All of the shops have sent her on her way saying they don't do this type of thing... Orig... |
February 05, 2018 | |
| 2004 Toyota Corolla CE 1.8L Excessive Emissions VIN: 1NXBR32E44 P0172: Fuel System Too Rich (Bank 1). car came in with P0172 and long term fuel trims at -25%. cleaned throttle body checked MAF sensor. changed upstream O2 sensor. when using map gas O2s go full rich. when creating a vacuum leak O2s go full lean. checked air tube from MAF to throttle body for... |
February 13, 2018 | |
| 2004 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDT13S34 P0172: Fuel System Rich (Bank 1). Hello all. I used my solus to operate the purge solenoid, which greatly affected my idle, so I figured that the purge solenoid was ok. No change on tank pressure (didn't budge off of 1.5v) so I headed to the vent solenoid, which worked fine with the scanne... |
February 20, 2018 | |
| 2004 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDT13S34 P0172: Fuel System Rich (Bank 1). Hello all. I used my solus to operate the purge solenoid, which greatly affected my idle, so I figured that the purge solenoid was ok. No change on tank pressure (didn't budge off of 1.5v) so I headed to the vent solenoid, which worked fine with the scanne... |
February 21, 2018 | |
| 2010 Chevrolet Malibu LS 2.4L flooded VIN: 1G1ZB5EB9A P0172: testing and results. hard start no start first start in a.m. flooded. overnight fuel injectors are being activated and draining fuel rail. sat all day with injector rail pulled up, I placed a clean paper floor mat under to check for inject drip/ leak down, nothing all day come in ... |
February 28, 2018 |
