Honda Pilot - Honda Pilot Forums banner


  1. Catalytic converter? Heater core?

    I'm at my last nerve with my 07 exl...I bought it 2 years ago and up until recently I had a vtm-4 light and cel p0420 on and off. Had the dealer I bought it from do a "cat test" said it wasnt the issue and couldnt diagnose because the light was always off by the time I drove there ?‍♀️ The most...
  2. New Catalytic Converter or new pilot?

    2009-2011 Pilot
    I have a 2009 Pilot with 236,000 miles. The check engine light has been sputtering on and off for several months with a catalytic converter error code. Auto Zone recommended Cataclean, and it does make the check engine light go away. It costs about $30 a bottle. I probably need to replace the...