To add onto my setup: Its a 1992 Mx5, Running a TD04 Greddy kit, Custom intake and exhuast. Wideband is a Plex sensor which is emulating a narrowband to the Stock ECU. Leaving the engine off, and turning the IGN on, the Wideband reads AIR. The Engine managment is a piggyback Emanage Blue with and 4b...

Lately iv been having a few symptoms with my 1992 Turboed MX5. Ill list the symptoms and if anyone could help me diagnose the problem that would be great! Symptoms: 1. On startup the car has major hesitation and sometimes cant even get up hills in first gear. 2. Wide band AFR is reading Lean 18-20 c...