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P0172 Diagnostic Trouble Code Discussion for August 2009

Fuel System Rich (Bank 1)


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Trouble Ticket Help Requests for DTC P0172
Help Request Posted
2002 Dodge Intrepid SE 2.7L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 2B3HD46R92
P0172: Fuel System Rich (Bank 1). I have traced the problem to the EGR system unplug EGR and idle smooths out hesitation disapears and long term fuel trims go to near zero at idle. My problem is this is an electric EGR valve and two different scan tools do not show any data relating to EGR sys...
August 04, 2009
2003 Honda Element EX 2.4L Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 5J6YH185X3
P0172: Fuel System Too Rich (Bank 1). ... very bad at idle and while driving. the mil was on wiht a code related to the iac valve. i cleaned the valve and the car ran way better .now the mil come on about 30mi after i clear it.the code p0172 system too rich only no othe codes and only a slight hes...
August 11, 2009
2003 Honda Element EX 2.4L Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 5J6YH185X3
P0172: Fuel System Too Rich (Bank 1). ... very bad at idle and while driving. the mil was on wiht a code related to the iac valve. i cleaned the valve and the car ran way better .now the mil come on about 30mi after i clear it.the code p0172 system too rich only no othe codes and only a slight hes...
August 12, 2009
2001 Nissan Sentra SE 2.0L Hesitation, Surge VIN: 3N1BB51D91
P0172: Fuel Trim Rich (Bank 1). CAR HAS HESITATION/SURGE BETWEEN 1500RPM AND 2000RPM ENGINE RUNS GREAT FROM 2000RPM TO 5000RPM, AT IDLE ST FT -25% 02 .920V... INJECTOR PW 2.36 ms AT 1600RPM ST FT +25% 02 0.000V injector PW 6.50ms at 2500rpm engine is runing good and fuel trims + - 5% and inj...
August 21, 2009
2003 Ford Taurus SE 3.0L MIL Lamp on VIN: 1FAFP55S03
P0172: fuel trim rich. This car keeps setting p0172,p0175 codes over the past 18 months.we have replaced the maf,fuel pump and most recently the fuel rail pressure sensor(all ford oe dealer parts) in attempt to repair.The problem only appears to occur at an extended idle-the fuel tr...
August 26, 2009
2002 Dodge Intrepid SE 2.7L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 2B3HD46R92
P0172: Fuel System Rich (Bank 1). I have traced the problem to the EGR system unplug EGR and idle smooths out hesitation disapears and long term fuel trims go to near zero at idle. My problem is this is an electric EGR valve and two different scan tools do not show any data relating to EGR sys...
August 04, 2009
2003 Honda Element EX 2.4L Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 5J6YH185X3
P0172: Fuel System Too Rich (Bank 1). ... very bad at idle and while driving. the mil was on wiht a code related to the iac valve. i cleaned the valve and the car ran way better .now the mil come on about 30mi after i clear it.the code p0172 system too rich only no othe codes and only a slight hes...
August 11, 2009
2003 Honda Element EX 2.4L Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 5J6YH185X3
P0172: Fuel System Too Rich (Bank 1). ... very bad at idle and while driving. the mil was on wiht a code related to the iac valve. i cleaned the valve and the car ran way better .now the mil come on about 30mi after i clear it.the code p0172 system too rich only no othe codes and only a slight hes...
August 12, 2009
2001 Nissan Sentra SE 2.0L Hesitation, Surge VIN: 3N1BB51D91
P0172: Fuel Trim Rich (Bank 1). CAR HAS HESITATION/SURGE BETWEEN 1500RPM AND 2000RPM ENGINE RUNS GREAT FROM 2000RPM TO 5000RPM, AT IDLE ST FT -25% 02 .920V... INJECTOR PW 2.36 ms AT 1600RPM ST FT +25% 02 0.000V injector PW 6.50ms at 2500rpm engine is runing good and fuel trims + - 5% and inj...
August 21, 2009
2003 Ford Taurus SE 3.0L MIL Lamp on VIN: 1FAFP55S03
P0172: fuel trim rich. This car keeps setting p0172,p0175 codes over the past 18 months.we have replaced the maf,fuel pump and most recently the fuel rail pressure sensor(all ford oe dealer parts) in attempt to repair.The problem only appears to occur at an extended idle-the fuel tr...
August 26, 2009