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Home >> Chevrolet >> 2009 >> Traverse LS, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System & Fuel System - 3.6L - Introduction >> Description and Operation >> Fuel System Description >> Deceleration Mode

Deceleration Mode

The ECM monitors changes in TP and MAF sensor signals to determine when the vehicle is being decelerated. The ECM will then decrease injector pulse width or even shut OFF injectors for short periods to reduce exhaust emissions, and for better (engine braking) deceleration.

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