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Home >> Acura >> 2007 >> RL >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Fuel And Emissions Systems) >> System Description >> Fuel Supply System >> Fuel Cutoff Control

Fuel Cutoff Control

WARNING: This page is about a different car, the 2008 Acura TL and 2007 Acura TL. 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 cutoff to improve fuel economy at engine speeds over 850 rpm (M/T: 950 rpm). Fuel cutoff control also occurs when the engine speed exceeds 6,900 rpm, regardless of the position of the throttle valve, to protect the engine from over-revving. When the vehicle is stopped, the ECM/PCM cuts the fuel at engine speeds over 5,000 rpm (M/T: 5,550 rpm). On a cold engine, fuel cut occurs at a lower engine speed.

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