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'04 6.0L Lost ALL power.
I tried to search some stuff on here but realized soon off that I wouldn't know where to begin....
So I've got some serious stuff going on with my '04 F-250 6.0. First off, up until now, it's pretty much run like a top save for it being a little stuttery/rough sounding now and again after startup. Today, after running around town a bunch with no issues, I get a fire dispatch, load my gear, and start bombing up I-5 to the base. About half way there I notice I'm not doing 75 anymore, I'm doing about 60-65 and NOT able to accelerate, even when floored and when the tranny downshifted into passing gear. Also, there was a shake/stutter coming from the engine. Once I got to the exit, the truck was idling at about 400-500, and very rough. It also took about 50 yards to get going, even with the pedal to the floor. Probably good to note the turbo wasn't spooling up at all either. Once I got to the base the idle was down to about 300 and VERY rough. I shut her down, tried to start her back up, and she coughed and died. No warning lights came on the dash, and the gauges looked good.
Two months ago I had an engine light come on. Code was something to do with an air leak, but went away in a week or so.
The truck has ARP studs, bulletproof ERG cooler, new head gasket, air conditioner, starter, and belt, all done in the last year and a half. I'm up on all oil and fuel filter changes. It's got 242,000-ish miles.