BANNED by Kris
Join Date: Oct 2011
Location: Pasadena, CA
Thanked 113 Times in 105 Posts
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Just a check right now. One wire supplies pos. and the other is a switched neg. When working correctly on a cold start the PCM will close the valve to create back pressure in the exhaust to quickly warm up the engine. A short in that system could cause the valve to close when it's not supposed to or a bad actuator would hold it closed after warm-up. With it closed the valve is keeping the exhaust from flowing freely and killing your power.
That is IF this is the current problem.
-Bean's: 160/100 (FF Injectors), 2/ 6-POS chips (TW & Beans tunes), Overboost controller, E-Fuel
-BANKs: downpipe, full exhaust, gauges, intercooler
-Irate: T-4 kit, IC pipes, 3" Irate Plenums, BASB Turbo
-Stage II trans.
-Mag-Hytec trans. and pumpkin covers
-6637, CCV, IDM, 6.0 Fan, 49-Federal PCM swap, MAP line Mod
-370 Amp alt., 40k trans cooler, ADRENALINE PUMP
-twin on-board air w/ 10 gal. tank
-Oh, and a 2015 F350 6.7L DRW 4x4
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