ok here i go.. as u guys noe dat the CAt is located at the extractor in de kelisa..so after i removed the CAT.. my airfuel reading bcum crazy... so wut is in my mind is.. whether de air flows freely now den last time being block by dat CAT n de O2 sensor get to read those block air n now de air flows freely n de O2 sensor is not dat sensetive.. slow respond..?
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