WHY WONT MY CAR PASS EMISSION IF THE O2 SENSOR ...

2002 Mitsubishi Galant

Tiny

Anonymous

December, 11, 2012 AT 9:14 PM

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

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1 Answer

Tiny

ASEMaster6371

December, 12, 2012 AT 1:06 AM

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.

Roy

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