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  1. 2009-2011 Pilot
    Finally got around to changing my O2 sensor, yesterday. Thoughts?
  2. 2003-2008 Pilot
    Hello, I’ve been getting a P0420 Emissions Efficiency Below Threshold (Bank 1) (or along those lines) on the OBD2 scanner with a persistent check engine light on. The downstream O2 sensor is throwing sporadic voltages when I measure it with the OBD2 scanner and as far as I know it should be...
  3. 2003-2008 Pilot
    my 2005 Pilot is throwing this lovely code, did same thing around this time last year and went off until now. at that time it just went off so I didnt do anything. Should I change the o2 sensor in bank 1 or the catalytic converter or both? try cataclean? Is the catalytic converter replacement a...
  4. 2003-2008 Pilot
    We live in California where the Smog Emissions is the strictest in the country, if not the world! We were notified 6 weeks ago that our Smog Test was due on our 2005 Honda Pilot EX-L and it's been a roller-coaster ride since. First, we had the dreaded PO172 code and ended up having the Valves...
1-4 of 4 Results