Peterbilt Power Issue

I have a 98 Peterbilt 379 with a c-15 just did an oil change when I went on days off changed fuel filters to and when I came back driving going up a hill it will miss fire as if my fuel filters were dirty or something cutting the engine for a second then throwing white smoke and coming back on any suggestions?

 

I have a 1993 379 pete all my acc don't work jakes electric mirror wiper's heat .truck runs fine .just started today.anybody know where I should start

 

Exact same thing I have going on with mine

 

Must not be anybody ready these posts anymore.

 

Change the relay behind the pyrometer panel on the left side of your dash

 

They are being read. the problem is that not many people running a 93 pete 379 let alone had the dash apart in one. So if you get any response, it would be mostly from someone not familiar at all with those electorincs behind the dash. They are just taking a stab. I for one have an 2002 379 and know the truck inside and out but i have no idea where to tell you to look. Layout and harness is different. Your best bet is to do what i would do, pull the dash panels off and start testing and chasing wires

 

Mine was doin same thing but now all it will do is hit while starting did u ever figure yours out ?

 

I hope someone can help me i am having a n issue with my 2005 Peterbilt it turns on fine but doesn’t turn off please help. Thank you in advance.

 

there is 2 relays 1 on firewall and 1 behind dash. the 1 on the firewall fixed my problem when the truck wouldn’t cut off