Not running right when cold, tested FICM and all is good?????

[Ridindirty91]

Need some help guys, my truck has been running like crap when it's cold. It cranks fine but just has no power until the motor warms up, I thought for sure it was the ficm but I tested it and even took it apart to see if I could see any weak spots but it was all good (it's a reman that was replaced before I got the truck about 2 years ago). But I can't seem to find a explanation for this problem. Any thing you guys might know to check or try? It's not throwing any codes


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[michaelaiman]

How many miles on this truck? Sounds like the classic stiction problem. Short of replacing all the injectors, the cure many have turned to is a Rev-X treatment and switching to a 5W-40 full synthetic

[Ridindirty91]

It's got 260k it had the injectors replaced about 3 yrs ago. May just have to try the rev-x


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