Thread: KR on stock pully with Flow mods

Originally Posted by Scottydoggs

have you scanned the o2 sensor yet? wot it should be hitting 930 ish (mv) and stay there. if its drops that can cause kr. i had one drop to 0.78. chased my tail for a bit on that one.

I havent.

Until i did mods, i figured the 3* stock was pretty normal so I didnt pursue it at all.

I did do a pull before the car hit 180* at about 150, i had 0 KR.