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P0172 Diagnostic Trouble Code Discussion for August 2013

Fuel System Rich (Bank 1)


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Trouble Ticket Help Requests for DTC P0172
Help Request Posted
2000 Nissan Maxima GLE 3.0L Misfire, MIL Lamp on VIN: JN1CA31DXY
P0172: Fuel Trim Rich (Bank 1). Ok so now veh comes in with a P0172 system rich B1 and P1320 primary ignition failure. It was noted on prior repair order that plugs were worn and recommended replacement. Ohmed out CKP sensor to find slightly out of spec when hot only. No misfire was / is pre...
August 05, 2013
2009 Toyota Corolla XLE 1.8L Poor Fuel Economy, MIL Lamp on VIN: 1NXBU40E39
P0172: Bank1 system rich. Greetings everyone and thank you in advance for your help. I have had this Corolla tossed on my back and I am hoping to gain some wisdom. Maybe even come out of this ordeal with a repair and not too many scratches, knots on the head, or a complete loss of hair...
August 15, 2013
2008 Chevrolet Suburban 1500 LTZ 5.3L MIL Lamp on VIN: 3GNFK163X8
P0172: rich bank 1. Long term fuel trim bank 1 goes to -27 to -30 on a long decel at higher speeds 45+. Bank 2 is normal. As soon as you touch the gas pedel it switches cells and drops to near 0%. We have Swapped front and rear o2 sensors side to side. Amps ramped one injector on...
August 17, 2013
2008 Chevrolet Suburban 1500 LTZ 5.3L MIL Lamp on VIN: 3GNFK163X8
P0172: rich bank 1. Long term fuel trim bank 1 goes to -27 to -30 on a long decel at higher speeds 45+. Bank 2 is normal. As soon as you touch the gas pedel it switches cells and drops to near 0%. We have Swapped front and rear o2 sensors side to side. Amps ramped one injector on...
August 20, 2013
2005 Volvo XC90 V8 4.4L Hesitation, Surge, Stall, MIL Lamp on VIN: YV1CZ85255
P0172: System too rich Bank 1. Customer stated engine stall at traffic light after stopping for couple second. Check engine light on with the codes stated above. This vehicle last oil change was 26497 miles ago. Got in the car, put in drive and transmission slam into gear. Symptom get worst...
August 29, 2013
2000 Nissan Maxima GLE 3.0L Misfire, MIL Lamp on VIN: JN1CA31DXY
P0172: Fuel Trim Rich (Bank 1). Ok so now veh comes in with a P0172 system rich B1 and P1320 primary ignition failure. It was noted on prior repair order that plugs were worn and recommended replacement. Ohmed out CKP sensor to find slightly out of spec when hot only. No misfire was / is pre...
August 05, 2013
2009 Toyota Corolla XLE 1.8L Poor Fuel Economy, MIL Lamp on VIN: 1NXBU40E39
P0172: Bank1 system rich. Greetings everyone and thank you in advance for your help. I have had this Corolla tossed on my back and I am hoping to gain some wisdom. Maybe even come out of this ordeal with a repair and not too many scratches, knots on the head, or a complete loss of hair...
August 15, 2013
2008 Chevrolet Suburban 1500 LTZ 5.3L MIL Lamp on VIN: 3GNFK163X8
P0172: rich bank 1. Long term fuel trim bank 1 goes to -27 to -30 on a long decel at higher speeds 45+. Bank 2 is normal. As soon as you touch the gas pedel it switches cells and drops to near 0%. We have Swapped front and rear o2 sensors side to side. Amps ramped one injector on...
August 17, 2013
2008 Chevrolet Suburban 1500 LTZ 5.3L MIL Lamp on VIN: 3GNFK163X8
P0172: rich bank 1. Long term fuel trim bank 1 goes to -27 to -30 on a long decel at higher speeds 45+. Bank 2 is normal. As soon as you touch the gas pedel it switches cells and drops to near 0%. We have Swapped front and rear o2 sensors side to side. Amps ramped one injector on...
August 20, 2013
2005 Volvo XC90 V8 4.4L Hesitation, Surge, Stall, MIL Lamp on VIN: YV1CZ85255
P0172: System too rich Bank 1. Customer stated engine stall at traffic light after stopping for couple second. Check engine light on with the codes stated above. This vehicle last oil change was 26497 miles ago. Got in the car, put in drive and transmission slam into gear. Symptom get worst...
August 29, 2013