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P0172 Diagnostic Trouble Code Discussion for July 2004

Fuel System Rich (Bank 1)


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Trouble Ticket Help Requests for DTC P0172
Help Request Posted
2000 Ford E-250 Econoline 5.4L MIL Lamp on, LTFT -20% VIN: 1FTNE24L4Y
P0172: bank 1 system too rich. hello, this vehicle came in with a complaint of inabilty to accelerate over 50 mph. Suspected cat failure. Found back pressure over 10 psi, replaced all three cats. Driveability complaint is gone, however there are two codes po172 and po175 system too rich, bo...
July 12, 2004
1996 Ford Mustang GT 4.6L MIL Lamp on VIN: 1FALP45X6T
P0172: rich bank 1. posting for another tech in shop. fuel trim long term for bank 1 is at -18% clened injectors went to -8% drove car about 30 miles went back to -15%. fuel pressure map sensor baro sensor mass airflow all look good plugs were replaced about 50,000 miles ago. A u...
July 21, 2004
1996 Ford Mustang GT 4.6L MIL Lamp on VIN: 1FALP45X6T
P0172: rich bank 1. posting for another tech in shop. fuel trim long term for bank 1 is at -18% clened injectors went to -8% drove car about 30 miles went back to -15%. fuel pressure map sensor baro sensor mass airflow all look good plugs were replaced about 50,000 miles ago. A u...
July 22, 2004
2000 Ford E-250 Econoline 5.4L MIL Lamp on, LTFT -20% VIN: 1FTNE24L4Y
P0172: bank 1 system too rich. hello, this vehicle came in with a complaint of inabilty to accelerate over 50 mph. Suspected cat failure. Found back pressure over 10 psi, replaced all three cats. Driveability complaint is gone, however there are two codes po172 and po175 system too rich, bo...
July 12, 2004
1996 Ford Mustang GT 4.6L MIL Lamp on VIN: 1FALP45X6T
P0172: rich bank 1. posting for another tech in shop. fuel trim long term for bank 1 is at -18% clened injectors went to -8% drove car about 30 miles went back to -15%. fuel pressure map sensor baro sensor mass airflow all look good plugs were replaced about 50,000 miles ago. A u...
July 21, 2004
1996 Ford Mustang GT 4.6L MIL Lamp on VIN: 1FALP45X6T
P0172: rich bank 1. posting for another tech in shop. fuel trim long term for bank 1 is at -18% clened injectors went to -8% drove car about 30 miles went back to -15%. fuel pressure map sensor baro sensor mass airflow all look good plugs were replaced about 50,000 miles ago. A u...
July 22, 2004