Recent content by gtxtom

So I can't make my own thread, but I'm having a similar problem. Over the past year I have replaced the AFS and O2S. P0420 came back on on my way home from work yesterday. Plugged in a scan tool this am and graphed the 2 sensors. This is what I got. Cats done for? Car is a 2002 4Runner with...

Just had the same lights/CEL come on last week. Installed a Denso rear O2 sensor on Saturday.

Trans pan reseal, fuel filter, lube driveshafts.

Did the rear diff breather on my new-to-me 02' 4Runner. The old one was pretty rusted and barely let any air out when I blew into it.