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1998 7.3 liter major hesitation

2K views 4 replies 3 participants last post by  Jeff_Northon 
#1 ·
Guys please help! I have a 1998 E350 box van with a 7.3 liter. On cold mornings (below 40) the truck has absolutely no power. You cannot get the truck over 30 mph. On the highway it runs fine. Sometimes I can put it in neutral and rev it and it runs fine but it is steadily getting worse. I put all new filters in it. It stays plugged in and has fuel additive in it. It never seems to heat up either. Any help on this would be greatly appreciated.
 
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