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Home >> Acura >> 2007 >> MDX >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Fuel And Emissions Systems) >> System Description >> Fuel Supply System >> Fuel Cut-off Control

Fuel Cut-off Control

WARNING: This page is about a different car, the 2006 Acura MDX, 2005 Acura MDX, 2004 Acura MDX, and 2003 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

During deceleration with the throttle valve closed, current to the injectors is cut off to improve fuel economy at engine speeds over 950 rpm. Fuel cut-off control also occurs when the engine speed exceeds 6,500 rpm, regardless of the position of the throttle valve, to protect the engine from over-revving. When the vehicle is stopped, the PCM cuts the fuel at engine speeds over 5,000 rpm. On a cold engine, fuel cut occurs at a lower engine speed.

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