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To test the fuel pump on a 1994 Chevy Blazer, first ensure the ignition is off, then locate the fuel pump relay in the fuse box and check for proper voltage using a multimeter. Next, you can access the fuel pump by removing the access panel in the rear of the vehicle, disconnecting the fuel lines and electrical connector. Finally, turn the ignition to the "On" position (without starting the engine) to listen for the pump's operation or perform a fuel pressure test using a gauge connected to the fuel rail to ensure it meets the manufacturer's specifications. If the pump does not activate or the pressure is low, it may need to be replaced.

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AnswerBot

2w ago

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