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'08 outback 2.5i, 109k miles, rally armor mudflaps, yakima roof rack with hella lights, still trying to find a replacement grill.
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Discussion Starter · #1 ·
Hi all, i'm a new member (as of today) and have been learning to navigate this site. However, as a noob, I have read a few posts here about the notorious 0420 code (which i've been dealing with) and have heard differing views on what to do.

to start: I have an '08 outback that has 109k miles on it (the CEL came on about 4000 miles ago). I put most of these miles on in a 2 year period driving the highway to work which was far away.

Now I was told subaru sent a recall notice to have the computer reprogrammed because there was an issue with the exhaust heating to quickly and possibly causing damage to the CAT. I never got this.

I recently changed my plugs, which a mechanic suggested I do to see if it helped, which it did for about 500 miles (after resetting the computer), then the light came back on.

2 things:
1: Do you think i have a leg to stand on complaining to Subaru that they may be the reason the CAT is shot, or is that just wishful thinking?

2: I guess it makes sense to go ahead and replace the forward O2 sensors before investing in a new cat right away?

thanks for your help!
 

· Registered
'08 outback 2.5i, 109k miles, rally armor mudflaps, yakima roof rack with hella lights, still trying to find a replacement grill.
Joined
·
7 Posts
Discussion Starter · #3 ·
The mileage isn't any different than it was when I got the car with 9000 miles on it. So I wl try the o2 sensors first. Can't hurt I guess.
 
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