rich

'91 R32 GT-R having some issues with cold starts. Wideband is reading full rich at idle.. the throttle stumbles when on it, or tries to stall when letting off. Idle is very rough and car shakes if I take the RPM above 2K. Car's ECU is stock, IAT sensor was replaced a year ago. I know the...

Hi all, bit of a weird one... just trying to chase down some fuel economy gremlins. I'm very confused about what i'm seeing in terms of economy but what i see from my wideband and dyno AFR's. Basically, i'm getting around 200-220km to a tank, not crazy driving, just normal driving. Fuel is...