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  1. Engine - 4.6L & 5.4L
    I have a 1994 4.6 cougar and im pulling up an error code p0171 and im hoping its my egr valve regulator sensor (DPFE) and not the needing to replace the egr valve because ive heard its a pita. the only thing I see that would be close is a sensor close to the vacuum can by the front passenger...
  2. Newbie Forum
    Hi Guys, pretty new to the forums here and couldn't find anything related to my issue. I have a bone stock 95 XR7 cougar that was throwing the P1407 code. I have emissions testing coming up soon so I decided to attack the problem by throwing a new DPFE sensor on the car and driving off happily...
1-2 of 2 Results