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P0172 Diagnostic Trouble Code Discussion for November 2005

Fuel System Rich (Bank 1)


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Trouble Ticket Help Requests for DTC P0172
Help Request Posted
2001 Volkswagen Jetta GLS 1.8L Poor Fuel Economy, MIL Lamp on VIN: 3VWPD69MOI
P0172: fuel trim too rich. need help on this one VW guys...replaced both o2s cts was open replaced same problem ... all dealer parts, ben fightin this one a week ...HELP its eatyin my lunch
November 01, 2005
2002 Mercury Sable LS Premium 3.0L MIL Lamp on VIN: 1MEHM55S92
P0172: system too rich bank 1. ... on when it came in with codes P0172 and P0175. Freeze Frame showed 0 MPH, fuel pressure 55 psi, and LTFT banks 1 and 2 @ -25. All other readings looked normal and the car runs and idles great. I replaced the electronic fuel pressure regulator and pressure ...
November 04, 2005
2000 Volvo V70 X/C AWD 2.4L MIL Lamp on VIN: YV1LZ56D1Y
P0172: . ... fighting a mil since purchasing the vehicle 2 months ago. we installed a battery to extinguish the abs light for a low voltage code. another shop had a go at the mil, both o2's were replaced along with the spark plugs. fuel pressure is good. long term fuel...
November 07, 2005
1998 Ford Ranger XL 4.0L Surge
P0172: system lean bank 2. recieved after other mechanics attempted repair, maf contaminated with silicone,airbox broken,(replaced),5v signal from control unit to maf not indicated ,dvom,vga scope , and modis,measurement taken at ecm,and sensor(no code). tps, ect,iat,egr,dpfe,02,left&am...
November 12, 2005
2000 GMC Safari SL 4.3L MIL Lamp on VIN: 1GKDM19W2Y
P0172: Fuel Trim System Rich (Bank 1). Van came in for state inspection, failed for MIL with P0 172 and 175-rich condition. Replaced injector/pressure regulator assy. cleared codes, vehicle returned 1 day later, passed inspection. 2 days later, MIL returned w/ same codes. Replaced 02's, swapped out...
November 13, 2005
2003 BMW X5 3.0i 3.0L MIL Lamp on VIN: SUXFA53533
P0172: system too rich bank 1 alldata correspoding bmw code 226. Ok folks I have an x5 here with a pair of rich codes. I do have alldata and their information is scant. Most of these seem to have a lean code and according to other sources they throw maf sensors at these on a regular basis. Alldata did fax me additional info...
November 14, 2005
2000 Toyota 4Runner Limited 3.4L MIL Lamp on VIN: JT3HN87R2Y
P0172: Fuel System Too Rich (Bank 1). ... tuesday with no start complaint. Pop the hood and found a little rat home under the throttle body on top of the intake manifold. Rat bite the wires to Coil #1, Coil#2 and Coolant Temp sensor. Did a quick job on repairing wires. Vehicle fires up and run jus...
November 21, 2005
2003 BMW X5 3.0i 3.0L MIL Lamp on VIN: SUXFA53533
P0172: system too rich bank 1 alldata correspoding bmw code 226. Ok folks I have an x5 here with a pair of rich codes. I do have alldata and their information is scant. Most of these seem to have a lean code and according to other sources they throw maf sensors at these on a regular basis. Alldata did fax me additional info...
November 22, 2005
2001 Dodge Intrepid SE 2.7L Excessive Emissions, MIL Lamp on VIN: 2B3HD46R91
P0172: Fuel System Rich (Bank 1). Hello, This vehicle failed the State inspection. We found the lont term fuel trims maxed out negative, indicating a very rich condition. Feul pressure is normal, all the scan data looks normal, the o2 sensors test good using the snap on vantage. The map sensor...
November 25, 2005
1996 Dodge Neon High Line 2.0L Stall, MIL Lamp on, lacks power VIN: 3B3ES47C3T
P0172: Fuel System Rich (Bank 1). Hi Mopar guys, this little p.o.s. has a P0172 rich code that is setting. LT fuel trim is between -9% to -25% depending on load on engine. I have reset fuel trim a few times after various repairs, such as 02 sensor replacement, tune-up, and fuel injector testin...
November 28, 2005