Was throwing a 2A87 code. Im running JB4 tune and everytime I would go WOT and then let off it would go into limp mode, half engine. Followed this DIY cleaned both solenoids with carb cleaner and compressed air, also cleaned the contacts with contact cleaner. Needless to say the problem is gone. I have been trying to replicate the issue to no avail. Looks like it took care of my problem...
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