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I know this is an old thread, but I'm having a very similar issue. 2016 GT with Rouch s/c. It runs great while under throttle, but push the clutch in and rpms climb to 2000. popping the throttle...

that's kind of what I'm getting at, how do they use the IMRC wiring to tell the pcm anything? Those wires were originally from pcm to runner, to open or close the runner. Now they are using the...

thank you again for the response. I was away for a few days, and back with it now. I was able to find a vacuum leak around the bearing cap, that holds the end of the butterfly rod for the boost...

I looking for information regarding what Roush does with the signal they get from the IMRC sensors. The RH bank jumpers to the Intake Air Temp sensor, and the LH bank jumpers to a MAP sensor that...

I have corrected the high fuel pressure issue. I put the GT350 pump ( 100 psi, not sure why, since the stock GT350 pump spec is 53-75psi) back in, and added a vacuum controlled regulator. Vacuum...

What would an exceptable pressure be for my application?

After more checking last night, I find that the pump included with my s/c kit (GT350 pump, but not sure why, as when I look up the specs on it, it has same psi as stock GT pump), is putting out 100...

I have a 2016 GT that I installed a Roush s/c on. It has an intercooler with pump with dual fans, a GT500 fuel pump, aftermarket fuel rails with larger injectors. I have been struggling to get my...

I have installed a Roush s/c on my 2016 GT. I took it to a local (reputable) tune shop and had a base, then driving tune created and installed. The tuner told me that it developed a vacuum leak...

Or if anyone can tell me how to modify the factory tune, to get it to run safely to transport it?

That would be great!! I got everything done over the weekend, short of choosing what fuse to use to activate the IC pump and fans (only because I couldn't find my owners manual). I had a friend be...

I have a 2016 Mustang GT, the only applicable current mods are H pipe delete, and flow master mufflers. I am close to finishing my Roush stage 2 s/c install. I bought the kit 2nd hand, so I don't...

I have had many issues with my 2016 L83. I dropped #7 twice and decided to get rid of the DOD. Now that it?s gone, I installed a TSP cam with phase limiter because no one offered a stock profile cam...

So I am fighting an issue with my jeep JKU that has a Gen V swap in it. It turns out that my vent solenoid was fed by a ref voltage instead of 12v from day one. Now its 2+ years later I realize...

I am trying to modify the table labeled " VCT Spark", but when I save the file, other tables are changed as well. Is this normal? I installed a cam phasor in my L83 because I deleted AFM. I found...

It ran pretty ok for just under a year since the install. What normally happens is ... after 5-7 miles the light goes on with a code of P420 and P430. Within the next 5-7 miles it jumps into open...

2015 Tahoe 5.3 in my Jeep and it drops into open loop long after reaching operating temp. What criteria can cause going into open loop? Or what limiters are set to get it to go into open loop?

Hey there Mitch. Where you been hiding?

It is a cam timing code for sure.

I have a 2016 L83 in my 13 Wrangler JKU. I have been working on getting this right for over a year now. I have limited time to spend researching and playing with trial and error, but I do my best...