P0135 Diagnostic Trouble Code Discussion for December 2008
Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Performance
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| Help Request | Posted | |
| 1998 BMW 740iL 4.4L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on, VIN: WBAGJ8326W P0135: O2 heat circuit B1 S1. Car came in with numerous (MIL) code's so we started with all the basic test's.Replaced faulty cam pos sensor,up & downstream O2 sensor's on B2 hardshell connector's wer'e cut off & wire's spliced together improperly!.we repaired wiring correctly,still... |
December 31, 2008 |
