had to abort the smog test because of check engine light

1997 DODGE CARAVAN
131,000 MILES
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LESSMI702
  • MEMBER
  • 1 POST
i have a 97 dodge grand caravan, i brought it to emission with no check engine light and when i left it was on. it aborted the test due to several not ready readings and then i brought it to autozone to see what code would come up and it was the o2 sensor was reading that i need an o2 sensor, but on the emission paper states the oxygen sensor heater not ready.
Nov 13, 2011 at 7:00 AM
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MERLIN2021
  • ✓Experienced Mechanic
  • 17,250 POSTS
The heater circuit is part of there sensor and may be why you need there sensor.
Nov 13, 2011 at 8:15 AM
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