Quote:
Originally Posted by s20525xxx
I always thought fatigue kills a piston, so knocking is the primary reason destroy piston/con rods, right?
Will knocking off a cat cause the afr go off by that much?
U can download "knock detection" for ur torque app, it reads the knocking correction value from ecu.
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Yes, Detonation breaks pistons, rings, conrods, valves.
Yes, any time you change the volumetric efficiency of an engine (in this case freeing up the exhaust breathing) your AFR's
may swing outside what the
ECU can compensate for.