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  1. I

    Changed a non EGR to EGR motor.

    I took my truck in to Autozone and they hooked up a code reader for me and it read two codes 171, and 174. The guy there said that meant it was running too lean and to check the vacuum lines.
  2. I

    Changed a non EGR to EGR motor.

    I have a 99 Ranger 4x4 automatic with a 4.0 pushrod motor that went bad so I found a motor out of a 98 explorer and put it in and since then I have been having problems with how the tranny is shifting, also the check eng light is on. It revs up and doesn't shift smooth like it should. Now I had...
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