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Car Forum / Subaru Cars / June 2009Need CA Cat
I have searched the internet for catalytic converters for my 1998 Legacy Outback. I am getting the ODBII code for catalytic converter bank1 being inefficient - P0420. Is Bank1 the front? Or must I replace both? I have read in this group that <800 can buy a pair of CA cats, but all I find online is the Subaru site selling them for $2000/pr. I am guessing a muffler shop will be able to help me for less, but I am frustrated with the lack of online info. Please tell me where I can get CA legal cats which I will not have to replace for a while. Thanks! --Dave > I have searched the internet for catalytic converters for my 1998 > Legacy Outback. [quoted text clipped - 16 lines] > > --Dave First replace the O2 sensors. Will have to anyways and more times than not, new sensors will "fix" the problem. Use antiseize on the threads. > > I have searched the internet for catalytic converters for my 1998 > > Legacy Outback. [quoted text clipped - 20 lines] > than not, new sensors will "fix" the problem. Use antiseize on the > threads. How many O2 sensors are there? Two? Or more? Non-turbo 2 cat Subaru system. Thanks! > I have searched the internet for catalytic converters for my 1998 > Legacy Outback. [quoted text clipped - 16 lines] > > --Dave 420 can be a LOT of things: Cat, O2 sensors, even a clogged vacuum line. Before you go spending a lot of money on parts, spend a little time checking things out... I found a clogged vacuum line after 2 O2 sensors... > > I have searched the internet for catalytic converters for my 1998 > > Legacy Outback. [quoted text clipped - 23 lines] > > I found a clogged vacuum line after 2 O2 sensors... OK, I think more info will help... 1998 Legacy Outback 180,000+ miles Based on what I have read, it looks like the front O2 sensor is fine, the rear/post cat O2 sensor could be slowing down. The "before" O2 sensor slowing would trigger another code, the after one might not. I can see the before, I will have to go hunting for the after... > > I have searched the internet for catalytic converters for my 1998 > > Legacy Outback. [quoted text clipped - 23 lines] > > I found a clogged vacuum line after 2 O2 sensors... Thanks for the info so far! Question: Is any welding required to replace the cats? It looks like I might be able to do this myself with a little ingenuity. I know the nuts will not be easy, but I would probably choose to crack them off anyways. >> > I have searched the internet for catalytic converters for my 1998 >> > Legacy Outback. [quoted text clipped - 30 lines] > nuts will not be easy, but I would probably choose to crack them off > anyways. Cats are usually bolted in, but on Toyotas they may be welded. If it is a welded system (usually the welded system is from the cat back to the muffler) you can cut the welds, flare the front pipe or adapt a new pipe, AFTER placing the clamps on the pipe, of course! and get a universal cat that will fit. Most Toyotas (Oh, SNAP! Wrong group!!!) er, Subarus have a y pipe that comes into the cat and then the rest of the system attaches to that. Subarus usually have 2 cats, a forward and an aft. Here in Mass we have what's called 'California emissions', meaning the environuts got a hold of the legislature and adopted the CA standards. I have an '89 GL Coupe and when we put the exhaust on we 'skipped' the rear cat. The car passed emissions with almost new-car readings on one cat! However, if they put the car oon the lift and you only have one cat you're going to have to add it back. Good luck! |
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