PHRsupra Posted August 7, 2014 Share Posted August 7, 2014 Hi i have a problem with a supra running lean all the time. Exept on wot then it bottoms out 10s on the afr. When starting the car hot or cold it afrs run upp to about16-17 on idle and around 15.5s on light cruise... Enyone experianced this? Ecu ok. tried a jspec ecu then it ran rich on idle... as expected since uk has larger injectors. But stable afrs. Then i thought it was the maf. But noooo Maf ok. Lamda ok Fuelpump ok 12v mod done No fcd etc hooked upp. Car runs ok starts upp etc like stock Starts out at 12-13 afrs. But builds slowly towards 16-17 Link to comment Share on other sites More sharing options...
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