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  1. Problems
    Hello all, Lately my Cougar has been throwing a P0401 code (insufficient EGR flow) along with symptoms like engine shaking at cruising speeds, reduced fuel economy and a quite high 1000rpm idle when warm. Many posts on the forum have led me to suspect a bad DPFE sensor, so I plugged my...
  2. Problems
    Well, the title / subject says it all, does anyone know where the temp. sensor / sending unit is located? I have numbers that change but it doesn't seem very accurate. I wonder if I have a frayed wire or maybe mud or something caked on the sensor. In the morning it shows a low temp say in the...
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