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Knock Sensor At 109 On Power Fc


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  • 4 weeks later...

My R33 GTR sometimes knocks 105 - 107 on cold startup's, Just a split second before the car starts. It also has a rough startup for 3-5sec when this high knock level occurs. Is this bad knock sensors or something worse?

Note:

When driving I only get knock levels of 1 - 15

Max ign timing: 44deg

Fuel e85

Brand new copper core spark plugs

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