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Oxygen Sensor Relay

 
Old 07-30-2001, 05:19 AM
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Ade - C4 91
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Red face Oxygen Sensor Relay

Hi

I noticed during the weekend that my 91 C4's Oxygen sensor Relay is missing (Think it's R41). Is this normal or has the previous owner removed it for some reason? .

Thanks in advance.

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Old 07-30-2001, 07:28 AM
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R41 is your Fuel Pump/DME relay normally just called DME relay. I cannot find an O2 sensor relay,
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Old 07-30-2001, 07:36 AM
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Ade - C4 91
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Hi Adrian,

Sorry, you're right, it's a Check Cat Converter Relay (I guessed R41 but it's in the 40's). I think it checks for the operation of the converter? Perhaps a US emissions thing?

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