P0135 Diagnostic Trouble Code Discussion for December 2006
Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Performance
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| Help Request | Posted | |
| 1997 Ford F-150 4.2L Excessive Emissions, Poor Idle Quality VIN: 1FTDF1729V P0135: o2s heater circuit malf. happy holiday's fellow tech's... we have a real head scratcher. this ford has excessive black smoke at idle all the time. runs good off idle. new plugs, wires,coil pack is good. smoked for vacuum leaks- none. removed upper intake manifold and EGR to look for c... |
December 13, 2006 |
