Operation CHARM
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Isuzu Truck
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1993
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Trooper (4 Door) V6-3165cc 3.2L DOHC (6VD1)
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Repair and Diagnosis
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Powertrain Management
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Fuel Delivery and Air Induction
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Description and Operation
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Fuel Injection System
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Modes of Operation
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Fuel Cutoff Mode
Fuel Cutoff Mode
The fuel injectors are shut "OFF" if engine speed "exceed" 6880 rpm. This is to prevent damage to engine. When engine speed is below 6880 rpm, the fuel injectors are again pulsed at a normal mode.