NightWolf Posted September 25, 2019 Share Posted September 25, 2019 I recently installed AEM wideband in my DP for tuning reasons (logs say i have a boost leak). At first when he was tuning at WOT the wideband would max out at 8.50 (rich) but at idle it would read 14-15 really close to my upstream o2 sensor. So he stopped tuning until I find a boost leak that he thinks i have. After doing boost tests and fixing a couple leaky spots the wideband is reading 18 (lean) and will rarely go down to a number that is close to my upstream sensor. When I do baby pulls i my upstream reads 11-13 but my wideband is staying at 18. So should i check for exhaust leak in between headers and DP? Link to comment Share on other sites More sharing options...
Notorious Posted September 25, 2019 Share Posted September 25, 2019 Recalibrate the wideband sensor Link to comment Share on other sites More sharing options...
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