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P0172 Diagnostic Trouble Code Discussion for March 2007

Fuel System Rich (Bank 1)


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Trouble Ticket Help Requests for DTC P0172
Help Request Posted
2001 Lincoln LS 3.9L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1LNHM87A21
P0172: System too rich on Bank 1. This car came in for rough idle and check engine light on. The service codes are PO172, PO174, PO304 and PO1000. The customer has tried to cleared the codes before bringing the vehicle to shop. The engine runs rough at idling and the misfire malfunction monito...
March 07, 2007
1999 Jaguar XJ8 4.0L Excessive Emissions, MIL Lamp on VIN: SAJDA23C5Y
P0172: rich fuel mixture bank 1. ... a while, they are code p0172 and p0175, both banks rich. We had replaced fuel rail due to contamination and fuel pressure high, so we repaired with new rail and regulator, now pressure is 45, which is ok. We had replaced air mass meter a while ago also for...
March 12, 2007
2004 Ford Explorer XLS 4.0L Cuts out, MIL Lamp on VIN: 1FMZU62KX4
P0172: rich bank one. Hello, I Have a 2004 ford explorer that came in today with a lack of power complaint and vehicle wants to stall at idle. Customer stated issue started this am and ses light has been on since. Check for codes and found four codes listed below. Test drove vehicl...
March 13, 2007
1999 Pontiac Grand Am SE 3.4L Stall, MIL Lamp on VIN: 1G2NE52E3X
P0172: Fuel System Rich. ... rough at 110,000 miles. needed tune up and had leaking fuel press reg. performed maintenance tune up and replaced press reg, cleared codes and fuel trim was normal. vehicle is back with 117,000 miles and has a P0172 sys rich code. long term fuel trim stays...
March 14, 2007
1999 Pontiac Grand Am SE 3.4L Stall, MIL Lamp on VIN: 1G2NE52E3X
P0172: Fuel System Rich. ... rough at 110,000 miles. needed tune up and had leaking fuel press reg. performed maintenance tune up and replaced press reg, cleared codes and fuel trim was normal. vehicle is back with 117,000 miles and has a P0172 sys rich code. long term fuel trim stays...
March 15, 2007
2003 GMC Envoy XL SLE 4.2L Stall VIN: 1GKET16S33
P0172: Fuel System Rich (Bank 1). customer complaint, dies cornering at slow speeds. test drove, did not die. customer said it dies at anytime. scan checked , all systems working properly at that time. tested fuel pump, tested o.k. 3 codes found , none should cause dying problem. vehile starts...
March 16, 2007
2003 Ford Ranger Edge 3.0L MIL Lamp on VIN: 1FTYR44VX3
P0172: system rich bank 1. I AM PUZZLED, WHY WITH THESE FUEL TRIMS, AM I STILL GETTING RUNNING RICH CODES. FORGOT TO MENTION O2s SEEM TO BE SWITCHING NORMAL.
March 19, 2007
1999 Jaguar XJ8 4.0L Excessive Emissions, MIL Lamp on VIN: SAJDA23C5Y
P0172: rich fuel mixture bank 1. ... a while, they are code p0172 and p0175, both banks rich. We had replaced fuel rail due to contamination and fuel pressure high, so we repaired with new rail and regulator, now pressure is 45, which is ok. We had replaced air mass meter a while ago also for...
March 22, 2007
2003 Chevrolet Trailblazer North Face 4.2L MIL Lamp on VIN: 1GNET16SX3
P0172: Fuel System Rich (Bank 1). this vehicle was towed in with no power. started with the basic checks, fuel pressure ok. checked exhaust for restrictions, no restrictions. scan for codes came up with the codes lised above. checked o2 operation , operates fine. checked for misfire, no fault ...
March 26, 2007
2001 Lincoln LS 3.9L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1LNHM87A21
P0172: System too rich on Bank 1. This car came in for rough idle and check engine light on. The service codes are PO172, PO174, PO304 and PO1000. The customer has tried to cleared the codes before bringing the vehicle to shop. The engine runs rough at idling and the misfire malfunction monito...
March 07, 2007
1999 Jaguar XJ8 4.0L Excessive Emissions, MIL Lamp on VIN: SAJDA23C5Y
P0172: rich fuel mixture bank 1. ... a while, they are code p0172 and p0175, both banks rich. We had replaced fuel rail due to contamination and fuel pressure high, so we repaired with new rail and regulator, now pressure is 45, which is ok. We had replaced air mass meter a while ago also for...
March 12, 2007
2004 Ford Explorer XLS 4.0L Cuts out, MIL Lamp on VIN: 1FMZU62KX4
P0172: rich bank one. Hello, I Have a 2004 ford explorer that came in today with a lack of power complaint and vehicle wants to stall at idle. Customer stated issue started this am and ses light has been on since. Check for codes and found four codes listed below. Test drove vehicl...
March 13, 2007
1999 Pontiac Grand Am SE 3.4L Stall, MIL Lamp on VIN: 1G2NE52E3X
P0172: Fuel System Rich. ... rough at 110,000 miles. needed tune up and had leaking fuel press reg. performed maintenance tune up and replaced press reg, cleared codes and fuel trim was normal. vehicle is back with 117,000 miles and has a P0172 sys rich code. long term fuel trim stays...
March 14, 2007
1999 Pontiac Grand Am SE 3.4L Stall, MIL Lamp on VIN: 1G2NE52E3X
P0172: Fuel System Rich. ... rough at 110,000 miles. needed tune up and had leaking fuel press reg. performed maintenance tune up and replaced press reg, cleared codes and fuel trim was normal. vehicle is back with 117,000 miles and has a P0172 sys rich code. long term fuel trim stays...
March 15, 2007
2003 GMC Envoy XL SLE 4.2L Stall VIN: 1GKET16S33
P0172: Fuel System Rich (Bank 1). customer complaint, dies cornering at slow speeds. test drove, did not die. customer said it dies at anytime. scan checked , all systems working properly at that time. tested fuel pump, tested o.k. 3 codes found , none should cause dying problem. vehile starts...
March 16, 2007
2003 Ford Ranger Edge 3.0L MIL Lamp on VIN: 1FTYR44VX3
P0172: system rich bank 1. I AM PUZZLED, WHY WITH THESE FUEL TRIMS, AM I STILL GETTING RUNNING RICH CODES. FORGOT TO MENTION O2s SEEM TO BE SWITCHING NORMAL.
March 19, 2007
1999 Jaguar XJ8 4.0L Excessive Emissions, MIL Lamp on VIN: SAJDA23C5Y
P0172: rich fuel mixture bank 1. ... a while, they are code p0172 and p0175, both banks rich. We had replaced fuel rail due to contamination and fuel pressure high, so we repaired with new rail and regulator, now pressure is 45, which is ok. We had replaced air mass meter a while ago also for...
March 22, 2007
2003 Chevrolet Trailblazer North Face 4.2L MIL Lamp on VIN: 1GNET16SX3
P0172: Fuel System Rich (Bank 1). this vehicle was towed in with no power. started with the basic checks, fuel pressure ok. checked exhaust for restrictions, no restrictions. scan for codes came up with the codes lised above. checked o2 operation , operates fine. checked for misfire, no fault ...
March 26, 2007