on November 13, 2016, 9:35 am, in reply to "Mercedes clk200k fault code P201C"
The O2 sensor is staying constant at 0.98volts at idle then goes to 3.2volts at WOT.
i think that should be milliamps not volts as the sensor is a wideband sensor
i have seen this co reading a few times with the mercedes and the fix has been a new upstream o2 sensor.
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Mercedes Benz CLK200 1.8 2004 - EML on, code P201C # - Colin Cooper November 12, 2016, 5:06 pm
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