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8 Posts
Discussion Starter · #1 ·
My truck sputters when I'm lightly on the pedal whether I am taking off or up to speed and then trying to hold a constant speed. Cruise control makes no difference.

Letting the truck warm up for 20 minutes makes it a little better and after driving it for ~45 minutes it goes away.

If I shut the truck off at a store for more than 10 minutes the problem returns for a short amount of time.

Oil, filter, and fuel filter have all been changed with no help.

I have a new IPR and have thought about changing it but I'm thinking if it were the IPS sticking it would be causing a problem at all speeds????

I have tried unplugging the ICP and it didn't help. The sputtering was still there although must less because the truck was really sluggish.

Anyone seen this and have any ideas?
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