2000 Nissan Sentra Hi Using This Vehical Since 2010 And Last Year Getting Mil

2000 NISSAN SENTRA
105,000 MILES
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ABHIJETKULKARNI
  • MEMBER
  • 1 POST
Hi,
I am using this vehical since 2010 & since last year I am getting MIL light on once I get the light reset it works fine for 1K ~ 3K miles & then again come up, It shows only PO420 code.

What should be the line of action should I replace the o2 sensor or Cat Conv.

Abhijit Kulkarni
Feb 28, 2013 at 3:12 PM
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