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Check engine light, code P0135 H02S HPS1 Question how big a job is it?

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  • just because PO135 set it doesnot neccesarlarly that the heated oxygen sensor on bank 1 has gone bad.
  • if the motor runs smoothly and your fuel eccon isn't terrible
  • it sensor maybe bad
  • a 7/8 inch wrench should remove it easily
  • PO135 can also set if the sensor detects to much oxygen ( unburnt Fuel) caused by missfire ( tuneup Related)

Posted on Jul 27, 2010

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