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

  • Tiny
  • Anonymous
  • 2002 Mitsubishi Galant
  • 153 miles

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

Tuesday, December 11th, 2012 AT 9:14 PM

1 Reply

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,556 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.

Roy

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Wednesday, December 12th, 2012 AT 1:06 AM

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