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Testing oxygen sensor and COP

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Oct 15, 2014 | 02:10 PM

#1

jpfont

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Testing oxygen sensor and COP

Is there a way to test an O2 sensors d a COP with a digital multimeter?

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Old

Oct 15, 2014 | 04:03 PM

#2

projectSHO89

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From: St Louis

Not too much useful info can be obtained with a meter for either. You check for an open coil on the COP (rare) or an open heater on the O2 sensor, but that's about it.

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Old

Oct 15, 2014 | 04:29 PM

#3

jpfont

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Codes

I finally retrieved the fault codes from my Escape.
#2 and #6 cylinders are misfiring,(P0302 and P0306)

Also the P0316, O2 sensor circuit bank 1 sensor 2 (see P2270 and P2271)

I was gonna check it with a multimeter

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Old

Oct 15, 2014 | 07:26 PM

#4

projectSHO89

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From: St Louis

Don't bother. Fix the misfires first, reset the PCM, then retest.

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