Burning oil and error code P0420

[baskervi]

I have an '03 Camry with 180,000 miles. It normally burned about a quart every 2500 miles, but then it suddenly started to burn a quart about every 1200 miles. It doesn't drop any on the driveway, and I can't smell any bad exhaust fumes, the car runs great, and there isn't any smoke.

Yesterday, the check engine light came on, and I took it to Autozone tonightand was given an error code P0420. I understand this is because of emissions. My question is, is this a problem I want to repair? Given it's burning oil, is it likely that the catalyst system will continue to foul?

Thanks very much.

[gdanaher]

My first guess is that the pvc valve is clogged, or sludge has blocked it inside the valve cover. Verify that the valve works and plow air into the pvc port/hole to verify it is not blocked.

If you keep burning oil like that, the cat will likely clog again.

[littleslim1474]

That code doesnt have to much in common with with burning oil.
Your code is for your CAT converter took a shit. Could be your 02 sensors too

[DOHCammer]

Originally Posted by littleslim1474

That code doesnt have to much in common with with burning oil.
Your code is for your CAT converter took a shit. Could be your 02 sensors too

Burning oil will most definitely cause the cat to fail after a period of time. If he was on his original converter however, it was due to fail anyway at that kind of mileage.