Honda B Series 4 Wires O2 Sensor
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Honda B Series 4 Wires O2 Sensor
Hello, Is been sick of my CEL Flash. I get the code is O2 Sensor #1. So I just replaced working fine used sensor from my friend's car. But still get the CEL flash. So I try to find the causes one by one. There will be two possibilities which is the O2 sensor or the harness wire need to replace. So 1st, how do I test the O2 sensor through the 4 wires by using multimeter? and how I determine the harness wire problem? Thank You
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Re: Honda B Series 4 Wires O2 Sensor
Yes, I did unplug the negative battery to reset ECU. But no luck still flash the CEL code O2 sensor #1 after a few miles driving. So how to back probe ans test by using multimeter? Thank You
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Re: Honda B Series 4 Wires O2 Sensor
I'm sorry, My engine is B-series b16b, the harness I'm using is the B16a obd1. Everything work perfectly before I change my JDM ITR 4-2-1 to JDM ITR 4-1 header. Could it be the cable harness problem?
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