Knock - Is It Real or False? Save Your Engine from Detonation!

How can you tell if the knock you are seeing on your scanner is real or false? Watch this video as The Tuning School's Bob Morreale describes 3 key steps to determining if the knock is real or false. Don't be like all the bad tuners out there who simply "turn off" the knock sensors - it could destroy your engine! Instead, learn how to properly and safely tune!
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