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check O2 sensor 700

posted by  Azureblue on  Mon Nov 29 02:07 CST 2004
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I have an 89 740T, @168K, and I suspect my O2 sensor is bad. Please correct me if I'm wrong, but I read the easy way to check it is by disconnecting it under the hood, after the car has warmed up. If disconnecting it does not affect how the engine runs- makes it slow down or miss, then the sensor is bad. To make sure I have the right wire, isn't the connector on the firewall, on the right side, a single medium guage green wire with a plastic connector terminating in a spade lug?

Thanks in advance

R






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New check O2 sensor [700]
posted by  Azureblue  on Mon Nov 29 02:07 CST 2004 >


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