Jeff White Posted March 11, 2013 Report Share Posted March 11, 2013 I have an early G1 running a Commodore V6, it has the option to turn Lambda on or off using the hand controller, I have a brand new sensor fitted but on the hand controller screen where it displays injector duty cycle and Lambda reading, it always sits on 0, it is wired to the ECU correctly, tested that today. Any ideas? Quote Link to comment Share on other sites More sharing options...
Simon Posted March 12, 2013 Report Share Posted March 12, 2013 You will need to check you are getting a voltage from the sensor. You can check with a volt meter it should read around 0.8Vs with engine running Also check the sensor has a very good earth back to the block. Quote Link to comment Share on other sites More sharing options...
Jeff White Posted March 13, 2013 Author Report Share Posted March 13, 2013 Thanks, I suspect the sensor may not be getting hot enough, water cooled exhaust manifolds in a boat, water doesn't touch the sensor though, so even if Lambda is turned off the hand controller should still show a reading? Quote Link to comment Share on other sites More sharing options...
Simon Posted March 14, 2013 Report Share Posted March 14, 2013 Correct it will display the raw voltage. So .85volts would display as 85 Quote Link to comment Share on other sites More sharing options...
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