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chenlwang 12-30-2012 12:45 AM

Peake code 19 96
My 2001 E39 SES light on, peake code is 19 96. I change two pre-cat O2 sensors and clear fault code. Start engine and drive for a while, no SES light on. But after turn off engine and start engine again the SES light come back and same 19 96 code. Please help

chenlwang 01-01-2013 11:17 AM

Hello, anyone can help?

energizedmortal 01-01-2013 11:50 AM

Here are a list of OBD II codes

List of OBD I codes:

Inspect o2 sensor wiring...A friend with a e46 had o2 sensor codes because mice chewed the wiring.

edjack 01-01-2013 01:02 PM

Please provide the text description of the code.

Also, what symptoms are you observing?

Fudman 01-01-2013 01:32 PM

19 96 is "Precat O2 sensor voltage, cyl #1-#3". It's not the sensor since you changed it. I would inspect the O2 cable for some damage (mice?).

chenlwang 01-01-2013 06:20 PM

Thanks a lot,
The front one is cyl #1-#3 sensor? or the back one (close to passenger side).
Car runs ok, just a little shaking when warm up in the morning.

Fudman 01-01-2013 07:01 PM

The cylinders are numbered 1, 2, 3, etc. from the front.

chenlwang 01-01-2013 08:13 PM

Where I can find O2 sensor cable parts number from

chenlwang 01-02-2013 10:16 PM

Any one know pre cat o2 sensor cable part number ? I can not find it in

mjalloul11 01-02-2013 11:28 PM

There are no o2 cable, it is just the sensor with the cable as a unit.

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