CEL reads "O2 Sensor Ckt High Volts 1,2" WTF?!?!
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Joined: Aug 2003
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From: nova, va, US
CEL reads "O2 Sensor Ckt High Volts 1,2" WTF?!?!
My setup is a 97 EK Hatch with B18B1 motor swap. I bought this car a few days ago and today got a CEL that says "O2 Sensor Ckt High Volts 1,2" 
Does this point directly to the O2 sensor or Cat? Any help would be appreciated. Thanks guys.
Nathan
Does this point directly to the O2 sensor or Cat? Any help would be appreciated. Thanks guys.Nathan
Junior Member
Joined: Oct 2004
Posts: 156
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From: Clearwater, FL, USA
Re: CEL reads "O2 Sensor Ckt High Volts 1,2" WTF?!?! (idrivesideways)
sounds like its wired incorrectly, maybe you have wires reversed. Did you ever mess with the o2 sensor wires? like lengenthing them etc..? Did you have to repin any oxygen sensors?
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From: nova, va, US
Re: CEL reads "O2 Sensor Ckt High Volts 1,2" WTF?!?! (superacecardriver)
I just bought the car already modded and have no clue. The engine is a b18b1 and has Crane cams, and an Apex fuel/air management system. I am wondering if the car isnt tuned properly. Could the Apex fuel settings cause the o2 sensors to go bad? There is no rotten egg smell so I doubt the cat is bad. The engine feels strong.
Should I just have an import tuner shop check it out or should I just buy 2 new sensors and replace the old sensors? Is there any good shops around NOVA that can tune the car for cheap?
Should I just have an import tuner shop check it out or should I just buy 2 new sensors and replace the old sensors? Is there any good shops around NOVA that can tune the car for cheap?
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