P0137 Diagnostic Trouble Code Discussion for December 2011
Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage
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| Help Request | Posted | |
| 2009 Mazda 3 S 2.3L Poor Fuel Economy, MIL Lamp on VIN: JM1BK34389 P0137: HO2S12 Low Voltage. ... month ago for a winter check over and a check engine light problem. I can honestly say I don't work on many Mazdas but this a friend of a very good customer and I feel the need to help him out. The check engine light was on with codes: P2177 System to lean... |
December 13, 2011 | |
| 1998 Mitsubishi Eclipse GS 2.0L bucking/jerking VIN: 4A3AK44Y8W P0137: Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Low Voltage. We thought this would be a slam dunk. replaced coil, spark plugs, rear o2 sensor and cleared codes and none came back and it ran flawless until it was fully warmed up then off and on under very light or hard accel it would buck and jerk until you let off gas. ... |
December 29, 2011 |
