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p4020 code Fails emission test

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Old 11-25-2012, 01:40 PM
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Default p4020 code Fails emission test
What are your opinions on the cat mesh (bottom view)
Cat or O2 sensor replacement?
1998 1.6 L 236,000 km
 
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Last edited by bmyz; 12-18-2012 at 04:22 PM.
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Old 12-18-2012, 04:20 PM
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Default Passes now!
Despite the fact the cat didn't appear too bad I found a new aftermarket that had never been used for $200. Add a new Bosch o2 sensor, distributor cap, and plugs. It passed emission test no problem.
 
Attached Thumbnails p4020 code Fails emission test-dorman-cat-d16y7.jpg  
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