Pre-ignition and detonation are two different things. Often them come hand in hand though with bad detonation causing pre-ignition to occur. But you can have a pre-ignition failure caused by something else.
Quote:
Originally Posted by Halon
I wouldn't think at 1/4 throttle, 3-4k RPM's, rush hour on Central kind of driving conditions, that my motor would detonate enough to cause something like this.
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