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2013 F350 6.7L dying while driving (lengthy description)
2013 F350 Lariat 6.7L Powerstroke
<270 hours idle time
I purchased a new 2013 F350 with the 6.7L Powerstroke last year in Apr/May. We started having problems with it in August. The problem being that the truck will just die while you're driving down the road.
It only happens when:
1) The engine is warm
2) The engine starts to get lugged down (when climbing a hill) with or without a load on the truck
3) 3-5 mins after the Cleaning Exhaust message pops up on the screen.
As I'm driving the truck will just cutout and die, battery light comes on because the engine is dead and I'm still rolling down the highway at speed. When the truck cuts out it's like the 90's models did when the speed limiter kicked in, but it just shakes once and dies.
Cleaning Exhaust message pops up for 5-10 seconds. Then, if I am climbing a hill or getting on a ramp for the interstate it just dies. The speed doesn't matter as I have been climbing a hill pulling my camper in the mountains going about 35-40mph, or I've been going 80mph down the interstate with the cruise control on when I get up the hill about 3/4 of the way it seems like its trying to grab another gear or kick in the turbo when it just dies, same on a ramp its happened at 40, 45, 50, 60 etc. It has only ever happened when the engine is lugged down going up a hill or getting on an on-ramp onto the interstate. It has never happened in any other situation.
I had the entire fuel system replaced in August (on my nickel) because Ford said it was bad fuel, but a week later, in September, the problem started again. I've had it in and out of the shop since then.
Once the engine dies I just pull it into neutral, switch the key off and on, start it back up and keep going down the road. I haven't even stopped the last half dozen times it's happened. Only two or three times has the Engine light lit up after, every time it just dies and I start it right back up.
Messages in the computer keep saying High or Low Fuel Pressure problem, but I just replaced (on warranty this time) both of the fuel pumps. Anyone else had the same or similar problems with theirs?
Ford keeps saying bad fuel, but our company has new & old Ford's, Chevy's, Dodges. My truck seems to be the only problem child in the bunch! But when it runs, it really runs! No complaints from me until I see that Cleaning Exhaust message!
I know this was a length message, so thanks in advance for any advice/info you can offer!