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Author Topic: P0030 HO2S Heater Control Circuit Bank 1 Sensor 1  (Read 3689 times)
siphonfilter
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« on: June 27, 2015, 07:28:46 PM »

http://engine-codes.com/p0030.html

Hi,

I have a 2003 Subaru Legacy, I replaced the Oxygen sensor and the code is still there. I checked the wiring and the voltage is there for the heater bank. I believe this to be the upstream before the Cat 02 sensor air/fuel. Any help appreciated.


Moved to Bizarro? That's Bizarro. This is a real problem.
« Last Edit: July 02, 2015, 05:31:04 PM by siphonfilter » Logged
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