Owner reviews for catalytic converter

Do a mid cat delete first thing. Easy and cheap mod and brings some better sounds to the exhaust without triggering the cel.

CAT aging is a real issue with N53s even at this mileage. Leaking injectors can cause damage to cats + some of these can burn oil especially when revved. Mine does like 1L every 5000km which seems fine according to BMW.

The one I got a few weeks ago was from a dealership in Florida and was unopened, in the bag with the Kia seal on the outlet end of the cat. DON’T get aftermarket when OE is available for this price. Trust me.

Patriot just hit 190,000 with 2 cats, gen. Maintence stuff.....been AMAZING.

I have a 2014 mazda3 with 131k miles. It's prob the most reliable car I've owned. I had the catalytic converter replaced, some suspension stuff, and then jus normal maintenance from there.

I'm a Honda tech and have an Insight that's been waiting on a catalytic converter for 2 months.

I had the same issue with a 2016 CX5. Dealer overfilled the oil. Drove home20 minutes at 30-40 mph with no problems. The next morning my wife got on the highway and the dash lit up like a christmas tree. Smoke from the exhaust and oil residue from the tailpipes and on the rear hatch. Let the car sit for about an hour and drove back to dealership at low speed. They drained and changed the plugs. Still have the vehicle. No lasting effects on the engine. It does need a converter.

I purchased a 2019 Tucson the 32,000 miles on it in 2022 I have now went through my third catalytic converter it is back in the shop needless to say and they are saying again they've never seen these error codes.

The 2AZ-FE 4 cylinder comes to mind. It came with defective rings and pistons that make it prone to burning too much oil. This in turn also makes it have an early failure of the catalytic converter due to the oil clogging it.

Hyundai cheaps out on the weirdest stuff. Never had another cars cat fail this early.