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I was driving this weekend in 120F (about 50 degree Celsius) degree weather. Pretty crazy hot. I was running ACN 91 gasoline on my ACN 91 stage 1 tune for N20.
I get drive train malfunction every time at redline when it shifts from 5th to 6th gear (speed is about 120mph). This only happens at redline in 5th. Never happens in lower gears. If I shift before redline, no malfunction. I check for codes and I have none. The car runs fine as well after drivetrain malfunction - no reduced power. A restart will clear the malfunction.
Anyone know what is going on? Is it too much heat and too much load for the tune?
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Auto Detailing Enthusiast!
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