2002 DODGE CARAVAN

2002 DODGE CARAVAN
158,600 MILES • 6 CYL • 2WD • AUTOMATIC
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TAZ
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  • 3 POSTS
i have a dodge caravan 2002 with a code po420 what does that mean? runs fine, no noices
Jul 26, 2011 at 7:32 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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DOCFIXIT
  • AUTOMOTIVE REPAIR CONTRIBUTOR
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Catalytic convertor operating below threshold efficiancy
Jul 26, 2011 at 7:35 PM
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TAZ
  • MEMBER
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THANKS.... BUT WHAT IM SUPPOSE TO DO WITH IT CHANGE IT CLEAN IT OR WHAT. I HAVE CHANGE ALREADY THE TWO OXIGEN SENSOR
Jul 26, 2011 at 7:46 PM
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DOCFIXIT
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 18,828 POSTS
If no exhaust leaks or contamination occured then CAT is faulty
Jul 26, 2011 at 7:48 PM