• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

Recent content by jmsgtp04

  1. J

    The old PO420 question

    I have read through some of the old posts and was looking to find out if anyone has seen where you get a PO420 code even after checking the Cat and it seems Good? I've replaced both 02 sensors and the Ck eng. light still comes back. It is the only code in the system, as well. I checked the CAT...
  2. J

    04 GTP- starting issue

    I have an 04 GTP (all stock) I know I have a po420( catalyst efficiency) check engine light. (i am going to try the downstream 02 sensor cause the upstream did nothing) I also have issues sometimes getting it started. I sometimes takes a few tries with finally a little on the gas pedal to start...
  3. J

    hello- have intermittent heat/ac blower problem.

    Just looking around it seems like I don't get the air out of the inside vents like I think it should. Maybe its just the way it is. It doesn't seem to put out more air in recirculation mode with AC on either.
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