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P0172 Diagnostic Trouble Code Discussion for April 2007

Fuel System Rich (Bank 1)


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Trouble Ticket Help Requests for DTC P0172
Help Request Posted
1995 Ford Ranger Splash 2.3L Poor Fuel Economy, MIL Lamp on VIN: 1FTCR10A8S
P0172: system too rich bank 1. MIL is on, p0172 system too rich in in memory I just finish the the and I did not have too much time to deal with this one but I did the tests shown and I also notice that the LTFT B1 & B2 always stay at -18% all the time even after reseting the MIL, is th...
April 07, 2007
2001 Volkswagen Jetta GLS 1.8L Stall, Misfire VIN: 3VWSD69M91
P0172: System too rich bank 1. This vehicle has an intermittent cold start misfire. Starts and idles OK every cold start, but when shifted into gear it begins to misfire (Sometimes, rarely, it would begin to misfire without shifting into gear) like someone had flipped a switch. Once the eng...
April 19, 2007
2001 Honda CR-V EX 2.0L Stall, MIL Lamp on VIN: JHLRD17651
P0172: Fuel System Too Rich (Bank 1). ... there after the engine was idling low and would stall. at first we thought the PCM would have to relearn idle. The check engine light came on with code P0172 system rich. we put a new O2 sensor in it but it didnt fix the problem. While we were checking thi...
April 23, 2007
2001 Volkswagen Jetta GLS 1.8L Stall, Misfire VIN: 3VWSD69M91
P0172: System too rich bank 1. This vehicle has an intermittent cold start misfire. Starts and idles OK every cold start, but when shifted into gear it begins to misfire (Sometimes, rarely, it would begin to misfire without shifting into gear) like someone had flipped a switch. Once the eng...
April 25, 2007
2001 Dodge Intrepid SE 3.5L Excessive Emissions, MIL Lamp on VIN: 2B3HD76V91
P0172: Fuel System Rich (Bank 1). ... on both banks with one bank about 5% more rich than the other. (Readings: LTFT L: -27%, LTFT R: -22%) Both forward oxygen sensors reading accurately. Cleared fuel trim adaptives and took tailpipe readings and confirmed that engine is running rich until PCM...
April 30, 2007
1995 Ford Ranger Splash 2.3L Poor Fuel Economy, MIL Lamp on VIN: 1FTCR10A8S
P0172: system too rich bank 1. MIL is on, p0172 system too rich in in memory I just finish the the and I did not have too much time to deal with this one but I did the tests shown and I also notice that the LTFT B1 & B2 always stay at -18% all the time even after reseting the MIL, is th...
April 07, 2007
2001 Volkswagen Jetta GLS 1.8L Stall, Misfire VIN: 3VWSD69M91
P0172: System too rich bank 1. This vehicle has an intermittent cold start misfire. Starts and idles OK every cold start, but when shifted into gear it begins to misfire (Sometimes, rarely, it would begin to misfire without shifting into gear) like someone had flipped a switch. Once the eng...
April 19, 2007
2001 Honda CR-V EX 2.0L Stall, MIL Lamp on VIN: JHLRD17651
P0172: Fuel System Too Rich (Bank 1). ... there after the engine was idling low and would stall. at first we thought the PCM would have to relearn idle. The check engine light came on with code P0172 system rich. we put a new O2 sensor in it but it didnt fix the problem. While we were checking thi...
April 23, 2007
2001 Volkswagen Jetta GLS 1.8L Stall, Misfire VIN: 3VWSD69M91
P0172: System too rich bank 1. This vehicle has an intermittent cold start misfire. Starts and idles OK every cold start, but when shifted into gear it begins to misfire (Sometimes, rarely, it would begin to misfire without shifting into gear) like someone had flipped a switch. Once the eng...
April 25, 2007
2001 Dodge Intrepid SE 3.5L Excessive Emissions, MIL Lamp on VIN: 2B3HD76V91
P0172: Fuel System Rich (Bank 1). ... on both banks with one bank about 5% more rich than the other. (Readings: LTFT L: -27%, LTFT R: -22%) Both forward oxygen sensors reading accurately. Cleared fuel trim adaptives and took tailpipe readings and confirmed that engine is running rich until PCM...
April 30, 2007