Check and reset Harley Davidson Check Engine Light shorts Thundermax Tuner Problems
Thundermax Auto Tune - Clearing Codes After I had the S&S 465 CAM and Thundermax tuner put in, my guy re-tweaked it at 500 miles. He shows us a little bit of the Harley twist grip sensor FIX! No more sticking and gritty throttle Are ThunderMax tuners reliable and do they have problems after a MY SLEEPER 114 M8 GETS THUNDERMAX TWEAKED! Replacing a faulty ThunderMax and going back to a stock ECM-Any ...