Hi, I have a 2004 cummins swapped with a 2003 engine, the other day I was driving it and I realIzed when I got to 20mph it wasn’t going up anymore, I floored it and got no response it was the same sound, same speed. Kind of clueless on what it could be because I drove it again and it was fine the next day.. but if it happened once it’s bound to happen again right?? I also notice a lot of white smoke coming out the back when I was reversing into my driveway after, not sure if thats a cause or an response to something but it wasn’t smoking that much before. Any and all help is greatly appreciated! Thanks

 

Also, did the key trick to find 3 codes, p0533, p2607 and p0480, I looked them up and don’t see how any could be related or causing this to happen.

 

I didn’t look up the codes but what you are describing is a dead pedal which usually ends up being the apps

chay