Join Date: May 2010
Location: Valley Center, KS
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Your problem almost sounds like a bad IPR. I've had a 1605 code before and that was from a corrupted tune on the computer. I also just fried my computer so trust me if that suckers fried it ain't gonna run. I had to spend 300 to get one shipped out next day but I had another member on here pm me about a pcm for 150. If you end up needing one let me know and I will get you his info.
But just something to try out, unplug your icp sensor and start the truck, see if it will idle and run alright. DONT go full throttle with it unplugged though, around the block will be ok.
Also, check the nut on the back of your ipr, if its loose and the solenoid is moving around it will cause your idle/drivability issues.
Tornado Alley PowerStrokers Director
2007 F-350 CCLB XLT FX4 ZF6 08 Mirrors, CTS, Gearhead, BD EGR Delete, Coolant filter, B&W, Custom rear springs, still rockin the stock head bolts and clutch!