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P2272 Diagnostic Trouble Code Discussion for March 2010

Heated Oxygen Sensor (Bank 2 Sensor 2) Stuck Lean

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Trouble Ticket Help Requests for DTC P2272
Help Request Posted
2004 Ford F-150 FX4 5.4L MIL Lamp on VIN: 2FTRF18255
P2272: B2S2 lean. ... P0174, P2195, P2107 and P2272. It had high long term fuel trims. I replaced the upper intake gaskets-seals. New spark plugs, Cleaned MAF sensor, TBI bore and plate. Cleared codes. Truck ran fine, idled smooth. During road test code P2272 showed up as pend...
March 28, 2010