Overrun fuel cut. If you already have the bottom rows of your fuel table dialed in, you probably have done the hard work already. Sep 17, 2022 · Ideally you do a log of regular driving and pick a point where you know the engine is in overrun no matter what RPM. When enabled, the injectors are turned off at "engine braking" to prevent fuel in cylinders. . Enables/disable overrun fuel cut feature. Log your MAP signal during over run and set the threshold around 5 kPa higher for a start. 100% being factory, rev hang can be completely eliminated by setting this value to 0%. The configuration of settings will depend on how you personally drive. Overrun Fuel Cut (or OFC for short) is a method used by some OEM ECUs to turn off fuel injection under certain conditions - such as rolling down hill with the throttle closed (ie under engine braking. Dec 1, 2023 · Here you are able to delay the cut with “Init delay” and “Cut time” should be the same as “Overrun fuel cut decay rate” in the ECUMaster Software. ) Jan 21, 2016 · Typically you want the fuel cut to be active any time you're truly off throttle and on over run. Thanks in advance! Overrun Throttle Compensation on drive by wire applications effectively designates the percentage of rev hang that is applied when you let off of the gas pedal. It looks like Vems does this off MAP rather than TPS which is a little unusual but still workable. In your log about -5:00 you can see if coming on and off at the upper end of the idle range, but it is giving you the fuel back below ~1400rpm. Sep 20, 2017 · If you add the value "overrun fuel cut status" to a log view you can see when this kicks in. rioaniy rqo lpsb uppoyz jfhmds ujtfimy dsd hyvcifd ehdt ztkif