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Fuel-Cut System

During deceleration above a certain engine speed, fuel in not injected from injectors. Fuel-cut speeds are listed in the FUEL-CUT SPEEDS chart. To check fuel-cut operation, hold engine speed at 2000 RPM and make sure engine speed varies when throttle sensor is pushed in with a finger.

FUEL-CUT SPEEDS CHART

Application RPM
In Neutral 1500-1600
In Gear 1200-1300
Fig 1: Deceleration Control System
G36919Courtesy of MAZDA MOTORS CORP.