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Anyone have any experience with the 2013 era VP 5.7 V8-300-C-A(AQ) where the IAC and the TPS are integral to the throttle body? I am experience all the classic symptoms of a failed IAC - runs rough at idle speed, signs of running rich on the plugs & O2 sensors. Seeing Pending Codes SPN-4239, 4238 & 4236 using a TechMate Pro Have recently changed plugs & wires; next step is to try new PCV Runs great at speed My version indicates the IAC & TPS are not maintainable or repairable. Other than swapping the throttle body from the other engine, any suggestions on how to nail dow