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Thanks for the input. I am going to keep plugging at this for now. If I reach the end of my rope with it then VMP is definitely the direction I am going to head. I think it's the control motor is either bad or not sitting right on the TB.

Sorry to vanish from the thread. I took the TB apart and reset the return spring and made sure nothing was binding. It drove fine, once. Today the same issue happened again. The TPS is new so my conclusion is that the control motor is bad. I took off in 1st and quickly shifted into 2nd, same...

The shop that did the work is making an effort to rectify the problem. I have tried a multiple of things, ideas of my own and suggestions I have received here. I am just going to exercise patience with these guys for the time being. If it comes to replacing the TB I am looking at the VMP twin...

I am going to get back at it this morning. I took off the CAI tube and moved the plates by hand. They seem a little stiff and do not snap back like I expected them to. I did this with key off to make none of the systems are energized. See if this looks right, it sure doesn't to me. Tried to...

Lexustec48, you are probably right, but I sure would like to get this straightened out without further expense. On the other hand the VMP with the larger elbow does look good! Nutty 5.0, I would at least like to give these guys a chance before any under the bus throwing. Just going to either...

Well that seems to be the consensus. I was hoping to get this running. Down to 2 error codes I can't clear: throttle actuator control system-stuck open, and t a c - forced idle. I am assuming that the second is part of the "limp home" mode.

Yeah, the TB seems to be the culprit. Problem is that I had it tuned to all the aftermarket parts. Not sure if the stock TB will be enough with 1100cc injectors, C&L pullies and cold air, as well as the boost a pump setup.

Unfortunately I do not have the old TB. I ha e checked the connectors and tried a TPS swap just to rule it out. The shop that worked on the car said that the traction control may have initiated the problem. They had it a month ago for the same problem, they changed out the TB servo, and checked...

This is not the first BBk I ever used. I have had it on several Mustangs I have modified in the past. Never had any problems out of them. My car is by no means the fastest ever, but I have souped her up a bit. As far as the codes go I haven't got that far yet. The car was tuned at a shop, hence...

The servo motor was replace about 3 weeks ago, that's why I suspect the TSP??

I have heard different opinions on the BBk. I have used their TBs on other projects with no issue. The servo motor was replaced only 3 weeks ago. That's why I suspected the TPS?

I have a 2010 GT 500 with a handful of mods and a custom tune from a locally renowned speed shop. Long story short, it has lost all throttle response. The TB servo has been replaced and the tune check for issues. I have a 70mm BBk TB. I have checked the voltage at the TPS with a reading of...