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Fixed!! you guys were right about that IWE system, good catch! I looked up a diagram on how the system works, and traced it to that tiny bitch-ass check valve by the drivers firewall. $6 later and it’s back on the road! Thanks everyone!

I think you guys might be onto something with this... My friend did say that it feels like the car was hopping between 2 and 4WD rapidly. Will test and report back. I really hope this is the case! I need to find some info on the vacuum routing so I can see if maybe a line got popped off or a...

the hissing is the valve discharging (I think) but also the rattling is pretty pronounced. I’ll have to look up that IWE. Seems to me like the PCM is opening the valve when it should be regulated by the wastegates only instead of discharging through the BOV/BPV all the time. It will shake the...

check the video and read the description for info. Maybe this will help?

Hey MTM, I have not done that, wouldn’t have thought the PCM would need to learn an on-off function but I’ll give it a shot? Ray, I will very likely be sending it back, but that doesn’t fix the current issue with the truck. I’m also thinking a tune issue like the guy above mentioned but that...

Hey everyone, I have searched for a couple days now trying to find information about this and have talked to Turbosmart themselves and I’m getting nowhere. I spoke to them on the phone and the guy was confused and stated this hasn’t happened, but thought that this might be compressor surge...