Kev Sheridan Posted July 14, 2018 Report Share Posted July 14, 2018 Hi. I’ve just installed g4+ on Audi TT on first start up lambda was 0.520 so I tried lowering main fuel - injector pulse 1 unit at a time from 20 to 17 this got me to 0.660 but 16 15 ect made the lambda fall back down again. Is there any other setting that need adjusting other than injector pulse width that could cause lambda to be so low? Quote Link to comment Share on other sites More sharing options...
Adamw Posted July 14, 2018 Report Share Posted July 14, 2018 6 minutes ago, Kev Sheridan said: so I tried lowering main fuel - injector pulse 1 unit at a time from 20 to 17 this got me to 0.660 but 16 15 ect made the lambda fall back down again. What is this "injector pulse 1" setting are you adjusting? It should be Master fuel. What lambda device do you have and is it connected to the ECU or just standalone? Quote Link to comment Share on other sites More sharing options...
Kev Sheridan Posted July 14, 2018 Author Report Share Posted July 14, 2018 Sorry I meant I adjusted master fuel injector ms from 20 to 17. It’s a plug and play ecu and I’m using standard Bosch lambda sensor taking lambda reading from pc link Quote Link to comment Share on other sites More sharing options...
Adamw Posted July 14, 2018 Report Share Posted July 14, 2018 There is no built-in wideband lambda controller on our plug-in ECU's. You will have to fit one before you get valid lambda measurements. S3_ahmad 1 Quote Link to comment Share on other sites More sharing options...
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