Quote:
Originally Posted by SuperTom
Well damn it the code popped up again after driving 200 miles p2270. Everything I read is that its to do with the rear 02 sensor behind the cat reading lean? I thought the front sensor is for reading air fuel ratio, the back was just for if the cats are working or not. This is really baffling me only thing that I changed was the tune, going from the v3 beta to the new v4.02. Never had a code on the old tune.
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Could be that the code wasn't set by default on the old Cal type. There are differences between different region cals with the DTC settings for some reason. Without being able to check I can't confirm.
Quote:
Originally Posted by Tuxedo Tony
For example it knocks below 3k rpm so keeps the IAM at .7 and then detects no knock above 3500 rpm so advances it to 1 IAM above 3500.
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Advance multiplier is global.