Join Now
International Automotive Technicians Network

P0172 Diagnostic Trouble Code Discussion for June 2013

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
2007 Honda Ridgeline RTL 3.5L MIL Lamp on VIN: 2HJYK16567
P0172: Fuel System Too Rich (Bank 1). ... because of MIL ON, DTC's found P0172:System too rich B1. Taking a close look at data stream I could notice B1 is richer than B2, and remains under 0.84 mostly at idle (see Files 70019 and 70020 uploaded),but B2 remains rich also,second DTC displayed is P01...
June 10, 2013
2004 Saturn Vue Red Line 3.5L Stall, Misfire, MIL Lamp on VIN: 5GZCZ63464
P0172: Fuel System Rich (Bank 1). ... P0301, P0302, P0303, P0304, P0305, P0306. Vehicle just had a tune-up in Jan. this year. According to "Misfire" Scan data # 2 & # 3 are the worst, some times the only two that are misfiring. Swapped Coils with ...
June 10, 2013
2010 Chevrolet Silverado 1500 WT 4.8L Surge, Misfire VIN: 1GCPKPEAXA
P0172: System rich bank 1. 2010 CHEV 4.8...Fuel pressure is 70 psi when key is turned on . When the engine is cold & vehicle is started ,pressure stays at 58 psi & after 20 seconds pressure drops to 43 psi When the engine is hot,turn truck off & turn key on,engine off ,press...
June 15, 2013
2002 Ford Ranger Edge 3.0L MIL Lamp on VIN: 1FTYR14U62
P0172: Bank 1 rich. Greeting all. Here I am picking the brilliant minds of the willing participants on iATN. Even though there is such a fine line between brilliance and insanity :) I have this Ford Ranger that the fuel trims are way off. LTFT Bank 1&2 are both @ 30.5%. STFT...
June 24, 2013
2007 Honda Ridgeline RTL 3.5L MIL Lamp on VIN: 2HJYK16567
P0172: Fuel System Too Rich (Bank 1). ... because of MIL ON, DTC's found P0172:System too rich B1. Taking a close look at data stream I could notice B1 is richer than B2, and remains under 0.84 mostly at idle (see Files 70019 and 70020 uploaded),but B2 remains rich also,second DTC displayed is P01...
June 10, 2013
2004 Saturn Vue Red Line 3.5L Stall, Misfire, MIL Lamp on VIN: 5GZCZ63464
P0172: Fuel Trim System Rich. ... Stalling. Scan showed P0172,P0300, P0301, P0302, P0303, P0304, P0305, P0306. Vehicle just had a tune-up in Jan. this year. According to "Misfire" Scan data # 2 & # 3 are the worst, some times the only two that are misfiring. Swapped Coils with ...
June 10, 2013
2010 Chevrolet Silverado 1500 WT 4.8L Surge, Misfire VIN: 1GCPKPEAXA
P0172: System rich bank 1. 2010 CHEV 4.8...Fuel pressure is 70 psi when key is turned on . When the engine is cold & vehicle is started ,pressure stays at 58 psi & after 20 seconds pressure drops to 43 psi When the engine is hot,turn truck off & turn key on,engine off ,press...
June 15, 2013
2002 Ford Ranger Edge 3.0L MIL Lamp on VIN: 1FTYR14U62
P0172: Bank 1 rich. Greeting all. Here I am picking the brilliant minds of the willing participants on iATN. Even though there is such a fine line between brilliance and insanity :) I have this Ford Ranger that the fuel trims are way off. LTFT Bank 1&2 are both @ 30.5%. STFT...
June 24, 2013