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P0172 Diagnostic Trouble Code Discussion for April 2012

Fuel System Rich (Bank 1)


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Trouble Ticket Help Requests for DTC P0172
Help Request Posted
2000 Toyota Echo 1.5L Hesitation VIN: JTDBT123XY
P0172: Fuel System Too Rich (Bank 1). This car is setting P0172 (system rich bank 1) and is leaning itself out -23%. It is so lean that it is now hesitating away from a stop and hitches when you step on it at higher rpm. i haven't had much time with it yet, it came from another shop with new plugs...
April 01, 2012
2001 Nissan Sentra GXE 1.8L MIL Lamp on VIN: 3N1CB51D01
P0172: Fuel Trim Rich (Bank 1). ... on. scanned car found p0174 last week.(THIS WAS A 5:00 SCAN CHECK). Advised customer car needs to be left. 2 days later car arrives, code still there. performed smoke test on engine-- no leaks. sprayed intake down for intake leak - common no intake problem...
April 02, 2012
2001 Nissan Sentra GXE 1.8L MIL Lamp on VIN: 3N1CB51D01
P0172: Fuel Trim Rich (Bank 1). ... on. scanned car found p0174 last week.(THIS WAS A 5:00 SCAN CHECK). Advised customer car needs to be left. 2 days later car arrives, code still there. performed smoke test on engine-- no leaks. sprayed intake down for intake leak - common no intake problem...
April 17, 2012
2004 Ford F-150 FX4 5.4L MIL Lamp on VIN: 1FTPW14514
P0172: rich bank 1. This truck has fuel trims that slowly climb after a kam reset. after about 50km it will be at about -20 ltftm. when decellerating down hill the fuel trim increases. it seems to set the code when going down hill. If I go down hill (let off gas to stay at hyw sp...
April 26, 2012