P0151 Diagnostic Trouble Code Discussion for October 2011
Air Fuel Sensor (Bank 2 Sensor 1) Circuit Low Input (Lean Shift)
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| Help Request | Posted | |
| 2003 Chevrolet Silverado 1500 4.3L Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GCEK14X33 P0151: Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage. This truck has me stumped!!! O2 Sensors installed but vehicle misfires after 5-10 miles and FT%/ST% above threshholds after driving. O2's flatline and system dumping fuel due to lean condition. Inspected spider assy with fuel pump running and no detectable lea... |
October 07, 2011 | |
| 2006 Mitsubishi Endeavor LS 3.8L MIL Lamp on VIN: 4A4MN21S06 P0151: Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage. Costumer took truck out mudding and got stuck and it appears some water got sucked in thru intake and broke a valve and piston so we installed a used engine upon start up truck ran very bad and set o2 codes immediatly we replaced 3 of the 4 o2 sensors (because... |
October 19, 2011 |
