7.6 E85 AFR = 11.5 Gasoline AFR = .8 Lambda." In racing applications, stoich is very rare. Under load, an engine is usually tuned between 15% - 25 % richer than stoichiometric.

The engine management warning light has lit up on my Toyota RAV4 and my garage says the lambda sensors need replacing. Published 19 May 2014 By Dave Pollard. Share ... A. Lambda, or oxygen, sensors ...

AEM's X-Series Wideband UEGO AFR Sensor Controller Gauge (PN 30-0300) is the company's latest and greatest, so we thought it was the perfect replacement for our existing wideband and sensor ...