jameswwt

Hi Guys,
im having problem on either Too Rich or Too Lean during idling with my FIC 750cc.

Ive tried FIC Latency table and table from some experience tuner table from Evom, but the table from Fic is way too rich 12~12.7 AFR & the table from Evom is way too lean (17~18 AFR) especially when aircon is turn on. Idle will drop til 600~800rpm when lean but when too rich idle will shot up to 1100-1200rpm

Im running on Ceddy SD Rom 25570300 with 2.3L engine, Gsc S2 cams, Gt3076R, 70mm aftermarket TB & stock TB.

Been tweaking the latency figure on 12V but it will goes either too rich or too lean with just 1 figure adjustment.

Fuel Trims - LTFT & STFT is -4.680

Any idea on how should i get this problem solve?

Thanks