Help, Car running lean at idle

[Gt35r.com]

@RED_LINE

if anything, the FMU doesn’t regulate the increase of fuel pressure till it hits boost, so that wouldn’t be the culprit…rather the injectors and other fuel related things would be the problem, especially considering the lean idle.

i didnt even realise he was running an FMU. An FMU still controls the flow at idle though. The other “fuel related problems” could be some what resolved if we knew the fuel pressure at idle.