|Forum | Owners | Knowledge Base | Encyclopedia | News | About Us | Contact|
|Main > Encyclopedia > Fuel Cut Mode|
Whenever the Insight is moving with the clutch engaged and the transmission in gear, the gasoline engine is mechanically connected to the wheels, and so it must continue to turn also. However, this doesn't necessarily mean that it is consuming any fuel.
During deceleration, if the clutch is engaged and the transmission is in gear, the IMA will typically enter fuel cut mode. This is considered a separate mode from idle stop mode, as the engine (and by extension any engine-driven accessories such as the air conditioning compressor) is continuing to be turned by the wheels. In idle stop mode, the engine is not turning at all.
Fuel cut mode will take place at engine speeds above 1100 rpm. If the engine speed falls below 1100 rpm, fuel will be supplied to prevent the engine from stalling when the driver releases the clutch.
So, this is what takes place during a typical deceleration: