That is my point. Horsepower and torque dont stretch timing chains. In reality it is probably just a glitch in the way the ECU is measuring it. Or just a bad chain. The ECU looks at where the two cam sensors are at in relation to eachother and remembers a point of reference. Then if the cams rotate away from eachother past a given amount, thenthe ECU figgers the chain is stretched and warns you. I am sure it is prone to error.
Mike W
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