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P0134 and p0031 together

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Old 28 October 2023, 03:05 PM
  #1  
stamina_daddy
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Default P0134 and p0031 together

Looking at buying my old scooby back,05 WRX wagon that I did a lot of decent mods to.
It's fully decat and was mapped by a good un.
It has engine light on with these 2 codes.
I've had a quick look into it but thought I'd put it out here.
I removed myself from scoobynet for a good few years to stop the temptation of buying another Subaru but I was looking on eBay the other day and saw my old one up for sale ffs.
I know irrelevant really but it's only done 17k since I sold in 2018ish.
Cheers
Old 28 October 2023, 03:40 PM
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stockcar
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potentially a dead sensor which is reasonably common the new-age cars......... front Lambda
Old 28 October 2023, 03:50 PM
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stamina_daddy
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Cheers,yes I remember changing one on my bug WRX...22m spanner I remember buying.
is it the one sticking out of heat shield near uppipe?
Also how much for one if you stock them?
Cheers
Old 31 October 2023, 12:07 AM
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stamina_daddy
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Is this the one from just lambda, cheapest I found and where I bought the last one from many moons ago.
denso 306 or Subaru 22641AA042

https://www.ecolambda.co.uk/main/eco...?item=denso306
Old 31 October 2023, 09:34 AM
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Cant help you with part numbers, but always admired your wagon back in the day. Hope it returns home
Old 31 October 2023, 10:21 AM
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stamina_daddy
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Cheers hedge,it has indeed returned home.
drives exactly as before.
It's had new suspension and front discs and pads as far as I can tell so far.
Just need to sort this sensor and a couple of other bits.
Weird abs fault/light .
Will start another thread.
Old 31 October 2023, 08:22 PM
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hedgecutter
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Good job!

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Old 06 November 2023, 07:16 AM
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LilaGray
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The P0134 and P0031 error codes on your WRX are indeed related to the oxygen sensors. Given the modifications made to your vehicle, it's advisable to have a professional diagnostic check to pinpoint the issue. Considering the low mileage since you sold it, addressing these codes is essential for its performance and emissions.
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Last edited by LilaGray; 21 November 2023 at 06:28 AM.
Old 09 November 2023, 09:18 PM
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stamina_daddy
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Changed sensor for denso equivalent today and all good.
engine light gone and can tell it's idling) running better
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