![]() ![]() Another method I am not a big fan of is with a laser temperature gauge checking the temp at the front of the cat and at the rear. Typically u should see Bank 2 not changing as much as bank 1 and the reading staying pretty steady. When u have that setup watching the 02 levels with everything at temp running the engine at 3200 rpm I noticed the 02 jumping around frantically from lean to rich. From the scan tool functions I created a custom monitoring list by selecting in my scan tool only wanting to see live data from coolant temp and 02 readings. Of course I made 100% my diag was in place before doing so by reading the 02 sensors spec with a scan tool making 100% before replacing. I used davico manufacturer (Walker is another goodone a friend used on his tacoma) and have been running it for 5 years now without problems. Personally I would search out a after market solutions and go that route catalytic converters have been around so long I would felt comfortable doing so with good branded product. Any advice or examples where you've fixed the issue is much appreciated. My goal is to have my truck in working order, removing the CEL, and getting cats if need be. By the way I have a 2002 Limited so I have to 2 cat setup. I enjoy fixing issues myself, but also believe in doing a job right.if that means biting the bullet for cats then that's what I'll do, but I don't want to purchase some aftermarket part that will throw a light a year later. ![]() I noticed some members here had replaced their cats a while back, but was wondering if that fixed your CEL issue even years after the fact. Nonetheless, thanks to this site, I've been trying my hand at replacing sensors, cleaning MAF & TB but no luck just yet. They said the front cat broke and then in turn ruined the rear. Dealership said I needed them after throwing P0420. I may be on the verge of having to replace my cats. There's mixed reviews and opinions all over, but not much info on those who have actually replaced their catalytic converter and even fewer with the results a couple years down the road. I've searched and read, and searched some more so please be gentle. ![]()
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