P0159 Diagnostic Trouble Code Discussion for July 2006
Heated Oxygen Sensor (Bank 2 Sensor 2) Slow Response
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| Help Request | Posted | |
| 2001 Land Rover Discovery Series II SD 4.0L Poor Idle Quality, MIL Lamp on VIN: SALTL15411 P0159: Lambda sensor aging downstream bank 2. This Discovery has returned for third time complaint of rough idle, surging and MIL on. We replaced a bad right front O2 sensor in March. Found same sensor not responding again. Reads less than .01 volt when warmed up. Right rear sensor reads .9 volt or higher... |
July 20, 2006 |
