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If the fuel pump motor is not activating when the ignition is turned on and there's no fuel flowing through the injector on a 1KZ engine with a Denso fuel pump, first check the fuel pump relay and fuses for any faults. Ensure that the ignition switch is functioning properly, as it controls power to the fuel pump. Additionally, inspect the wiring and connections to the fuel pump for any damage or corrosion. If these components are all working correctly, the issue may lie within the fuel pump itself, which could require testing or replacement.

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2w ago

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