jossgaa Posted December 13, 2010 Share Posted December 13, 2010 Recently I have bought a AEM wideband uego and at idle its reading very lean 17+, on cruising 14, and on boost 12. Could it be a problem with the AEM sensor or something wrong with my enigne? Could the oem lambda sensor cause the engine to run very lean? Quote Link to post Share on other sites
Asad Posted December 13, 2010 Share Posted December 13, 2010 was it a new unit?? Quote Link to post Share on other sites
Wantaglanz Posted December 13, 2010 Share Posted December 13, 2010 the AEM needs to be calibrated? Quote Link to post Share on other sites
jossgaa Posted December 13, 2010 Author Share Posted December 13, 2010 yes the aem is brand new and it does not need to be calibrated. The AEM is not faulty because I have followed this tutorial and resulted that its good. Quote Link to post Share on other sites
jossgaa Posted December 14, 2010 Author Share Posted December 14, 2010 Any idea why on boost its reading fine but on idle it reading very lean? Quote Link to post Share on other sites
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