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Old 08-16-2019, 09:21 AM   #1
aecolts
Scooby Newbie
 
Member#: 505332
Join Date: Aug 2019
Default P0130 still after new o2 install

Hey guys I'm new to the subie fam and having a little issue. Car is an 05 wrx wagon. After installing my uppipe/downpipe/turboback I expected to get the rear o2 sensor cel instead I got a front o2 code. I since bought a Subaru oem o2 sensor and installed it to still get the same code. I've tried to research to see what else could cause it but I see anything from getting a bad o2 that's new, to maybe a plug/voltage issue or even intake problems. Just looking for a little direction. Here are my current mods list

DC sports sri
Speed daddy header/uppipe/downpipe/everything
(No cats no resonators)
HKS SSQV
cobb 3 port EBS
Cobb AP Sub 3 v 001 (stage 2 map)

Using the cobb AP temporarily for a rough tune before installing big turbo/intercooler/injectors/fuel pump which I already have on the shelf and getting a professional tune. Need to get this issue nailed down before I install the rest of my goodies. Any help appreciated. Thanks
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Old 08-19-2019, 04:04 PM   #2
bdubblu
Scooby Specialist
 
Member#: 251046
Join Date: Jul 2010
Chapter/Region: MAIC
Location: Mostly at my home
Vehicle:
2004 WRX Wagon
Stage 5.1.2a.2

Default

Bad connection or bad sensor are what come to mind. Check your connector, use some dielectric grease. Wiggle that bad boy around and reset the ECU. Take it out for a test drive. Is there any damage to the harness side connector?
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Old 08-22-2019, 06:53 PM   #3
aecolts
Scooby Newbie
 
Member#: 505332
Join Date: Aug 2019
Default

I will have to look into that. No the connector looks good and I unplugged and reseated the plug again. Havent tried any of that grease or cleaning the plug with electric cleaner. I also had to replace the egt sensor at the same time. Would an issue with that cause this light also
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