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P0151 Diagnostic Trouble Code Discussion for October 2008

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
2003 Mazda MPV EX 3.0L Poor Idle Quality, Surge VIN: JM3LW28J73
P0151: Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit No Inversion (Low). car surges and bucks at idle. fuel pressure is low[51#s spec by aldata is61 to 66]with new puel pump. dead head pressure is 70#s+ with fuel line disconnected at rail. running voltage is 14.1 and voltage at relay is also 14.1. fuel trims are slightly lean and o...
October 30, 2008
2002 Chevrolet S10 LS 4.3L MIL Lamp on VIN: 1GCDT13W12
P0151: Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage. ... shop with an engine misfire & trouble codes P0101, P0125 & P0300. Customer stated he had just changed the spark plugs before bringing it in. We checked misfire counts and found cyls. 1 & 3 were high. Found bad plug wires so we completed the tun...
October 31, 2008