Quote:
Originally Posted by Elite47
Thats not what I've read. With a Stage 2 tune, as long as its an 'off road tune' it will force the make O2 sensor ready so that CEL is not triggered and it passes inspection. Its just a grey area since they are not to be used on the road with those tunes.
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This is incorrect. A stg 2 tune doesn't force the rear 02 sensors into ready. It just won't throw a code for rear cat inefficiency. It still won't show the rear 02s as ready.
Dave