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Originally Posted by ksw  pulsating idle are surgeing at idle | Thats what mine is doing. I called the diesel shop I deal with to order one and they said there was no way that it could be bad. Tried to tell me something else was wrong and that the whole cp3 was bad. Apparently they don't work on to many duramax's.
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05 2500 Crew Cab short bed 4X4, 285-75-16 tires, 4 inch turbo back exhaust, egr blocker plate, air dog fuel system, killerbee's IOH kit |