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  1. 2

    Spark Knock

    Hello all, Ive got a 2003 4.6 XLT and I'm experience spark knock on acceleration. Any ideas as to why this is happening?
  2. 2

    Long Term Fuel Trim - Rich

    2003 XLT 4.6. Hello all, I just analyzed my LTFT's with a OBD II scanner and Bank 2 at idle is reading 6% and increases to 12% at approx 3000 RPM, while Bank 1 reads 3% at idle and increases to 7% at approx. 3000 RPM. The car is running rich. There are no DTC codes. My gas mileage is poor. Its...
  3. 2

    Front End Popping Sound

    Hello all, I have a 2003 XLT 4.6 and am experiencing a pop when I turn backing up or moving forward during parking etc when turning the steering wheel. There are no symptoms when driving at regular speeds. The front end does not shake and there are no ball joint sounds over bumps etc. This...
  4. 2

    Rear Speed Sensor Issue

    Hello all, I've been experiencing hesitation under light load primarily at speeds of 45-55. I've been told that there is a rear speed sensor that needs replacing. In addition, I'm getting DTC 0300, 0308. I know I need to replace coils, but is it possible that both the rear speed sensor and...
  5. 2

    Rear A/C Temperature Issue

    Hello all, I have a 2003 XLT, 4.6 with manual A/C controls and my rear A/C is blowing somewhat cold, but not anywhere close to the temperature of the front. I recently replaced the rear actuator that controls where the air blows and the temperature blender seems to be operating correctly...
  6. 2

    Aftermarket Coil replacement

    Hello all, I'm replacing my coils on my 2003 Expedition XLT, 4.6 and am inclined to purchase a $50-$60 set instead of OEM or Accel. I'm a low mileage driver. Any suggestions or thoughts?

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