p0133

2000 DODGE DURANGO
150,000 MILES
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YOURGURLKATT
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Had the oil changed and a few days later check engine light came on with code p0133 ( Oxygen Sensor Circuit Slow Response (Bank1, Sensor1). Could somethinghave been bumped or jarred during the oil change or do I need to have the o2 sensor changed? There are no engine running differences. Everything is the same as it was before light coming on.
Apr 27, 2013 at 2:13 PM
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JDL
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How long since a tune-up? 02 sensors are part of a tune-up. You can check the sensor/s make sure it isn't unplugged.
Apr 27, 2013 at 2:20 PM
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YOURGURLKATT
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Last tune-up about 30,000 miles ago.
Apr 27, 2013 at 2:23 PM
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YOURGURLKATT
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Where are the sensors located?
Apr 27, 2013 at 2:26 PM
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JDL
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Some possibilities for that code. exhaust leak--faulty sensor--faulty wiring circuit or connector.
Apr 27, 2013 at 2:27 PM
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JDL
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The 02 sensors are in the exhaust. The exact location may depend on litre size of engine. Bank 1 sensor 1 should be before cat converter.
Apr 27, 2013 at 2:31 PM
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YOURGURLKATT
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OK, I'll check all that. Thanks. :-)
Apr 27, 2013 at 3:32 PM
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JDL
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Let us know what you find.
Apr 28, 2013 at 8:47 AM
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YOURGURLKATT
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Checked the front sensor, wiggled it around a little, disconnected battery to reset check engine light, and it hasn't relit yet. Guess it was loose. Thanks for the prompt responses to my question.
Apr 29, 2013 at 8:17 PM
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JDL
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Hey, no problem. have a good day.
Apr 30, 2013 at 6:16 AM