P0172 Diagnostic Trouble Code Discussion for April 2022
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2014 Buick Regal 2.4L Surge VIN: 2G4GV5EK5E P0172: fuel trim system rich. service engine light on. slow to pick up speed. when the vehicle is running good at idle fuel rail pressure is 500 psi. desired is 500 psi. fuel rail pressure sensor volts 1.10. fuel trim short 0 (+ or -3) fuel trim long 0 (+ or - 3) when vehicle is acting... |
April 12, 2022 | |
| 2001 Toyota 4Runner Limited 3.4L MIL Lamp on VIN: JT3GN87R41 P0172: Fuel System Too Rich (Bank 1). Hello all. Thank you in advance for taking your time on this one. I am here seeking wisdom and direction. Obviously the parts cannon has been fired at this thing and I wonder if he installed additional issues but I have a question. Looking at the scan tool... |
April 12, 2022 | |
| 2015 Chevrolet Tahoe LTZ 5.3L Excessive Emissions VIN: 1GNSKCKC5F P0172: Rich bank 1. Ok this one i think i know the answer but would like some input from some of you have this tahoe . Was told it came in with rich codes - they cleared codes and had them come back - i know i tell them all the time not to do this. Anyway i check it and check... |
April 15, 2022 | |
| 2003 Land Rover Discovery SE 4.6L Excessive Emissions, Poor Idle Quality VIN: SALTW16413 P0172: Bank a rich. smoke tested intake,small leak at #4 injector.Short term fuel trims are buried lean on both banks.Substituted MAF.Front o2 sensors reading.02 @ idle with no fluctuation.If you reset adaptions,stft drops to .99 but in 10 seconds back up to 1.24 @ idle on bo... |
April 25, 2022 | |
| 2013 Chevrolet Equinox LT 2.4L Cuts out, Stall VIN: 2GNALDEK6D P0172: System Rich Bank 1. Vehicle came in with P0172 and P0191, reduced engine power light on dash. Can clear codes and vehicle will run normally. Will sit there and idle great. Fuel trims +/- 2. Take it for a test drive while driving everything is within spec. Not every time, but ... |
April 27, 2022 | |
| 2013 Chevrolet Equinox LT 2.4L Cuts out, Stall VIN: 2GNALDEK6D P0172: System Rich Bank 1. Vehicle came in with P0172 and P0191, reduced engine power light on dash. Can clear codes and vehicle will run normally. Will sit there and idle great. Fuel trims +/- 2. Take it for a test drive while driving everything is within spec. Not every time, but ... |
April 28, 2022 |
