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4G63 Knock Sensor

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I am currently building a new motor and fitting the car with the Link ECU PNP on my 2003 Evo 8. I was previously tuned with Open source and I was able to set up some fail safes with the oem knock sensor to flash the check engine light on low knock (2-4) and to cut boost if i hit 6-8.

When I look at the knock configuration it does not appear to be set up. I found this confusing since this is marketed as a plug and play. So I have a few questions.

1. is the oem knock sensor adequate or do i need to but the link knock sensor?

2. If i use the oem i see posted that i should be using narrow band at 6khz but I don't see mention of any other settings. If I enable this will it automatically pull timing or do i need to tune this like in open source?

3. Can I enable knock light using the check engine or something else?

Thanks,