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trouble code

  1. D

    OBD II Wont Read Codes

    I have an 2003 Explorer with the 4.6l. The check engine light came on and I'm having issues reading the codes. Code reader powers on, but gets stuck at reading the J1850 PWM protocol. If wait long enough it will go to J1850 PWM protocol failed. I have an Konnwei KW808 OBD II/EOBD. This code...
  2. J

    P0420 Question

    Hey guys, I've got a trouble code on my 2007 4.6l V8 that is puzzling me. My trouble with it started about a year ago, when I bought the car and within a few days realized that the hood cowl seal wasn't seated correctly, allowing water into the engine bay and past the coil pack boots- right...
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