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P0172 Diagnostic Trouble Code Discussion for January 2007

Fuel System Rich (Bank 1)


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Trouble Ticket Help Requests for DTC P0172
Help Request Posted
1996 Chevrolet C2500 Cheyenne 5.7L Misfire, MIL Lamp on VIN: 1GCGC29R2T
P0172: Fuel Trim System Rich (Bank 1). Hi guys, I need some advice on this Chevrolet truck. It had a new fi unit with intake gaskets about 3 yrs ago. Over the last 2 months it has begun setting codes intermittenly. The only driveability problem is slight roughness at idle in gear only. Codes are P1...
January 08, 2007
1996 Chevrolet C1500 5.0L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 1GCEC14M8T
P0172: Fuel Trim System Rich (Bank 1). Replaced all 3 O2 sensors.Plug wires,rotor cap.Light still on idles rough.Light will flash 58 times.Then steady on.Any help would be greatly appreciated.
January 10, 2007
2002 Honda Odyssey EX 3.5L MIL Lamp on, Ping VIN: 5FNRL18002
P0172: Fuel System Too Rich (Bank 1). After returning from the body shop vehicle has a severe engine Ping or rattle under acceleration even in the service bay under no load. It drives fine but ping will not go away. Check Knock sensor it seems to be sending a signal, fuel pressure has me concerned...
January 16, 2007
2002 Lexus RX300 3.0L Slight hesitation VIN: JTJGF10U52
P0172: Fuel System Too Rich (Bank 1). ... was a problem exept the check eng light is on! P0172/P0175 SYS. rich. These are the only codes in all the systems on board. Fuel psi is 40, MAF is 4.75 @ Idle, 15.4 @ 2500,( it was 16.5 before the MAF was replaced)@ oppera...
January 19, 2007
1996 Chevrolet C2500 Cheyenne 5.7L Misfire, MIL Lamp on VIN: 1GCGC29R2T
P0172: Fuel Trim System Rich (Bank 1). Hi guys, I need some advice on this Chevrolet truck. It had a new fi unit with intake gaskets about 3 yrs ago. Over the last 2 months it has begun setting codes intermittenly. The only driveability problem is slight roughness at idle in gear only. Codes are P1...
January 08, 2007
1996 Chevrolet C1500 5.0L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 1GCEC14M8T
P0172: Fuel Trim System Rich (Bank 1). Replaced all 3 O2 sensors.Plug wires,rotor cap.Light still on idles rough.Light will flash 58 times.Then steady on.Any help would be greatly appreciated.
January 10, 2007
2002 Honda Odyssey EX 3.5L MIL Lamp on, Ping VIN: 5FNRL18002
P0172: Fuel System Too Rich (Bank 1). After returning from the body shop vehicle has a severe engine Ping or rattle under acceleration even in the service bay under no load. It drives fine but ping will not go away. Check Knock sensor it seems to be sending a signal, fuel pressure has me concerned...
January 16, 2007
2002 Lexus RX300 3.0L Slight hesitation VIN: JTJGF10U52
P0172: Fuel System Too Rich (Bank 1). ... was a problem exept the check eng light is on! P0172/P0175 SYS. rich. These are the only codes in all the systems on board. Fuel psi is 40, MAF is 4.75 @ Idle, 15.4 @ 2500,( it was 16.5 before the MAF was replaced)@ oppera...
January 19, 2007