Why does my engine light say p1df3?
Why does my engine light say p1df3? So my truck wouldn’t start this morning when i clicked the automatic start. so i went outside and startup was very rough and the engine light came on with the code P1DF3, anyone else run into this problem? truck only has 4k on it Any information on this? My truck just did the same thing. Same code. How to find out if your car has a p1df3 code? Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins. The cost...