Why won't my car pass emission if the o2 sensor was replaced and the readiness keep failing after I put 345.9 miles on it
Dec 11, 2012 at 9:14 PM
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ASEMASTER6371
CERTIFIED EXPERT
52,796 POSTS
did the light come back on??
drive cycles are very specific way of driving a car to run the monitors. your normal driving does not run the monitors no matter how much you drive it. go to a shop and have them do the drive cycle for you.