Temps were below 0* for several nights last week. Truck sits outside at work with no elec for the block heater.
Truck started/idled fine, ran about 5-10 minutes while I cleaned the windows off. Drove off and the truck began missing/stuttering. No power and wouldn't rev more than @1500 rpm. After about 5 miles, it cleared up and ran normally. This is the second time it happened during very cold weather, first time I thought maybe the fuel was starting to gel(even though I've always added anti-gel chemicals), but now I don't believe that's the issue. The only addition to the truck since last winter(and I had no problems last year) is the van Aaken box. Could the cold be affecting it?
Anyone had a similar issue?

 

how's fuel pressure, sounds like low fuel pressure/lift pump problem.

 

No gauge on it yet, but with the FASS on there, I didn't really consider that.

 

I had a similiar issue when my VP started acting up, check your codes. It could be a bunch of things though. Water in the fuel from sitting, air in the lines possibly. Even though you put an additive in there, they only protect down to a certain temperature, from gelling...that's a while to sit with no cord plugged in...

 

If it started the block heater is not the issue. Sounds like a fuel problem.

 

Fuel problem i thinkl

 

Fuel is gelling. Had it has happened to mine too many times. Our fuel these days is crap. If it has much soy/animal fat in it you need 2-4 times the recommended anti-gel. I use powerservice liberally and only Cenex fuel, Roadmaster #2 or Wintermaster when its -10 F or colder. I add 2-3 times the recommended amount of anti-gel to every tank in the winter. I also change my fuel filter every 5K in the winter.

Every time mine has gelled, it acts just as you described.

FWIW
Matt