I had originally posted titled "P1693 code I need some help". It seemed to make sense to also post Flt in Comp MDLE in the title, hence the new thread.

Howdy all,

My work truck is a 1999 Ram 2500 Cummings. I connected my code reader and got the dreaded P1693 code and Flt in Comp MDLE.

After the wait to start goes out, it normally starts right up. Twice this month it took two tries to to start it.

I also got a low fuel pressure warning at 4psi at start up a few times when it is cold. It has been sub freezing here as well. At idle, the fuel pressure is 13-14 psi. Running with a trailer, around 9psi under load.

The code reader I am using is an Innova 3140g.

Any help out there?

Donnie

 

You are getting some good replies on your other post. Are you plugging it in? Sub-zero temps are hard on diesel engines, Your fuel may be getting affected by the temps, have you tried a bottle of 911, Power service-Red?
Check your doors, somebody peeled the "G" off your Cummins...