02-11-2018, 08:16 PM
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#35
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Quote:
Originally Posted by steve99
you wont get a pass on readiness checks if you have disabled the P0420 code. disabling code stops CEL on dash.
Readyness checks for catylist require ecu to compare reading from front and rear 02 sensors and confirm the readings are within tolerance. My understanding is that disabling the associated codes stop readiness from showing pass.
you can try just re-enabling code (P0420) some headers wont throw cel for a while and may allow readiness to pass, you can also try putting spacer in REAR 02 sensor as well as re-enabling P0420 and see if that helps
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I guess it varies because on torque at one point it showed full emissions readiness.
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