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P0172 Diagnostic Trouble Code Discussion for October 2011

Fuel System Rich (Bank 1)


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Trouble Ticket Help Requests for DTC P0172
Help Request Posted
2006 Chevrolet Impala LT 3.5L MIL Lamp on VIN: 2G1WT55K06
P0172: Fuel System Rich. Vehicle sets rich code...ho2s switching properly...map sensor has good reading...maf is okay...vehicle doesnt appear to actually be rich but the ltft stays -25 check engine light comes on and disables traction control...does anyone know of a flash or something...
October 06, 2011
2003 BMW M5 5.0L Poor Idle Quality, Surge, Misfire VIN: WBSDE93403
P0172: On bank 2. Have spent numerous hours chasing this problem
October 21, 2011
2004 Kia Rio 1.6L Hesitation, MIL Lamp on VIN: 1FMZU72K15
P0172: Rich. Hello kia techs i have 1 that is stumping me .this kia will drive normal if you clear the pcm and start over after driving for 10 minutes the rear 02 sensor starts climbing to .8 and stays there the front looks normal but my fuel trims start heading for the ne...
October 21, 2011
2002 Volkswagen Cabrio GLX 2.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 3VWDC21V02
P0172: Rich condition. I have replaced MAF with 2 bosch reman 1 new aftermarket and finally with bosch new hasnt fixed issues. flashed computer with vrs 7.0 from dealer as of today still have same problem I have noticed that during my investigation the Throttle position sensor or m...
October 21, 2011
2003 Acura CL 3.2L Poor Idle Quality, Surge, Misfire VIN: 19UYA42493
P0172: Fuel System Too Rich (Bank 1). ... First visit this car had a timing belt that jumped resulting in 12 valves being damaged. Removed head sent out for resurface and valve job. Installed new water pump and timing belt kit with updated tensioner. Replaced upstream oxygen sensor that was damage...
October 22, 2011
2004 Kia Rio 1.6L Hesitation, MIL Lamp on VIN: 1FMZU72K15
P0172: Rich. Hello kia techs i have 1 that is stumping me .this kia will drive normal if you clear the pcm and start over after driving for 10 minutes the rear 02 sensor starts climbing to .8 and stays there the front looks normal but my fuel trims start heading for the ne...
October 24, 2011
2002 Volkswagen Cabrio GLX 2.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 3VWDC21V02
P0172: Rich condition. I have replaced MAF with 2 bosch reman 1 new aftermarket and finally with bosch new hasnt fixed issues. flashed computer with vrs 7.0 from dealer as of today still have same problem I have noticed that during my investigation the Throttle position sensor or m...
October 27, 2011
2005 Chrysler Crossfire 3.2L MIL Lamp on VIN: 1C3AN65L65
P0172: Fuel System Over-Correction Of Fuel Mixture At Idle (Bank 1). DTCs rich bank 1 and 2, Long term fuel trim is at around -25% @ idle banks one and two. While driving heavy accell can recover to -14% but goes right back up to -25% at idle. cruising speeds normal throttle does nothing to LTFT. Using generic OBD2 to diag as L...
October 28, 2011
2006 Chevrolet Impala LT 3.5L MIL Lamp on VIN: 2G1WT55K06
P0172: Fuel System Rich. Vehicle sets rich code...ho2s switching properly...map sensor has good reading...maf is okay...vehicle doesnt appear to actually be rich but the ltft stays -25 check engine light comes on and disables traction control...does anyone know of a flash or something...
October 06, 2011
2003 BMW M5 5.0L Poor Idle Quality, Surge, Misfire VIN: WBSDE93403
P0172: On bank 2. Have spent numerous hours chasing this problem
October 21, 2011
2004 Kia Rio 1.6L Hesitation, MIL Lamp on VIN: 1FMZU72K15
P0172: Rich. Hello kia techs i have 1 that is stumping me .this kia will drive normal if you clear the pcm and start over after driving for 10 minutes the rear 02 sensor starts climbing to .8 and stays there the front looks normal but my fuel trims start heading for the ne...
October 21, 2011
2002 Volkswagen Cabrio GLX 2.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 3VWDC21V02
P0172: Rich condition. I have replaced MAF with 2 bosch reman 1 new aftermarket and finally with bosch new hasnt fixed issues. flashed computer with vrs 7.0 from dealer as of today still have same problem I have noticed that during my investigation the Throttle position sensor or m...
October 21, 2011
2003 Acura CL 3.2L Poor Idle Quality, Surge, Misfire VIN: 19UYA42493
P0172: Fuel System Too Rich (Bank 1). ... First visit this car had a timing belt that jumped resulting in 12 valves being damaged. Removed head sent out for resurface and valve job. Installed new water pump and timing belt kit with updated tensioner. Replaced upstream oxygen sensor that was damage...
October 22, 2011
2004 Kia Rio 1.6L Hesitation, MIL Lamp on VIN: 1FMZU72K15
P0172: Rich. Hello kia techs i have 1 that is stumping me .this kia will drive normal if you clear the pcm and start over after driving for 10 minutes the rear 02 sensor starts climbing to .8 and stays there the front looks normal but my fuel trims start heading for the ne...
October 24, 2011
2002 Volkswagen Cabrio GLX 2.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 3VWDC21V02
P0172: Rich condition. I have replaced MAF with 2 bosch reman 1 new aftermarket and finally with bosch new hasnt fixed issues. flashed computer with vrs 7.0 from dealer as of today still have same problem I have noticed that during my investigation the Throttle position sensor or m...
October 27, 2011
2005 Chrysler Crossfire 3.2L MIL Lamp on VIN: 1C3AN65L65
P0172: Fuel System Over-Correction Of Fuel Mixture At Idle (Bank 1). DTCs rich bank 1 and 2, Long term fuel trim is at around -25% @ idle banks one and two. While driving heavy accell can recover to -14% but goes right back up to -25% at idle. cruising speeds normal throttle does nothing to LTFT. Using generic OBD2 to diag as L...
October 28, 2011