check the maf sensor
system to lean bank one 02 sensor ?
Trouble code P0171 means: Fuel System Too Lean (Cylinder Bank 1)
Trouble code P0171 means: Fuel System Too Lean (Cylinder Bank 1)
bank 1 is the passenger side of the engine
Trouble code P0022 means:"A" camshaft position timing over retarted (Bank 2)
Trouble code P0171 means:System too lean (Bank 1)
Trouble code P0171 means:System too lean (Bank 1)
Trouble code P0420 means:Catalyst system efficiency below threshold
Bank 2 would be the bank of cylinders on the drivers side of the engine containing cylinders 5, 6, 7, and 8. Bank 2 O2 sensor would be threaded into the bank 2 exhaust system directly leading from bank 2 cylinder head.
Trouble code P0155 means: O2 Heater Circuit (Bank 2, Sensor 1)
Bank 2 is the drivers side of the engine Sensor 1 is close to the engine , before the exhaust passes through the catalytic converter
Is the 1997 F150 Transmission is the same as the 1999 Expedition