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I have a 2006 f250 5.4l. It's been very cold here for the last 2 months -30 to 40C. Put my truck in my dads heated garage for 2 hours while i changed tensioner and belt. started up took outside parked for half hour then drove home around a mile pulled into driveway and the truck started shaking and idling low. Shut off restarted it idled properly 15seconds and started to shake and idle low. stalled a couple times, took for a ride put in some seafoam and iso propyl incase it i freezing up. night before put in 70 litres of gas. Could the warmth of the garage create condensation in the tank and make my truck react like this. drove it on the highway runs not too bad but you can feel there is something wrong slow down and it runs bad will idle ok for a few moments then really bad and mments later it will idle just fine again. any help would be greatly appeciated.
I have a 2006 f250 5.4l. It's been very cold here for the last 2 months -30 to 40C. Put my truck in my dads heated garage for 2 hours while i changed tensioner and belt. started up took outside parked for half hour then drove home around a mile pulled into driveway and the truck started shaking and idling low. Shut off restarted it idled properly 15seconds and started to shake and idle low. stalled a couple times, took for a ride put in some seafoam and iso propyl incase it i freezing up. night before put in 70 litres of gas. Could the warmth of the garage create condensation in the tank and make my truck react like this. drove it on the highway runs not too bad but you can feel there is something wrong slow down and it runs bad will idle ok for a few moments then really bad and mments later it will idle just fine again. any help would be greatly appeciated.
Sounds like bad tank of fuel. I would dump in some water remover.