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P0151 Diagnostic Trouble Code Discussion for July 2011

Air Fuel Sensor (Bank 2 Sensor 1) Circuit Low Input (Lean Shift)

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Trouble Ticket Help Requests for DTC P0151
Help Request Posted
1998 Jaguar XJ8 4.0L Excessive Emissions VIN: SAJHX1246W
P0151: O2 Sensor circuit low voltage Bank 2 sensor 1. This vehicle was driven in running poorly with strong smelling exhaust, Restricted Performance displayed & Check Engine light on w/codes P-0172, P-0174 & P-0151. STFT's pretty much maxed out @ 19.5 in each direction in line with fault codes. I unplugge...
July 05, 2011