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Running Weird

715 views 1 reply 2 participants last post by  Gator5713 
#1 ·
I have a 2000 f250 superduty with a garrett 88mm turbo, Stage 2 injectors, a Terminator T-500 HPOP, an airdog fuel pump and a TS 6-Position Chip. When you finally get it warmed up and take off driving it will start revving itself up on its own in very small increments and then drop back down to where you were running it almost instantly and eventually it will do this but more violently and instead of dropping the rpms back to where they are supposed to be the engine cuts out and comes back, but this whole time if you put your foot to the floor board it will run perfectly fine and if you keep it under about 1700 rpms it will also be fine. After about 30 seconds or so of that the check engine light will come on and while it stays on the truck will run like a dream. Any help would be greatly appreciated.
 
#2 ·
Start by getting the codes pulled with a PSD capable scanner. That'll remove a bunch of guesswork which will save you money. Without that my first guess would be to check your icp.
 
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