AEM X-Series OBDII Wideband AFR Control Assess. AEM X-Series OBDII Wideband AFR Controller assess the AEM X-Series OBDII Wideband UEGO AFR detector operator Gauge (PN 30-0334) produces tuners who happen to be utilizing piggyback tuning modules or available source tools with the ability to see AFR with the manufacturing plant CAN-bus stream this is result […]