How To Test The Fuel Pump?

How To Test The Fuel Pump?

1: Turn on the ignition switch without starting the engine, you can hear the gasoline pump operating for 1 to 2 seconds; you can judge whether the gasoline pump can work;
2: Unplug the oil pump relay, connect the oil pump circuit with a special jumper, turn on the ignition switch, do not start the engine, the oil pump works, indicating that the oil pump can work;
3: Connect the oil pressure gauge to see if the engine can establish an oil pressure of about 250KPa and whether the oil pressure can be established quickly. If the oil pressure can be established normally, it means that the oil pump can work. After that, turn off the engine ignition switch to see if the oil pressure is quickly drained (whether the oil pressure drops quickly) to determine whether the pressure relief valve of the oil pump is normal (normal oil pressure can be maintained so that the next time the engine starts normally).
4: Connect the circuit to the fuel pump, and use a special measurement tool (such as a beaker) to measure whether the fuel pump's oil output right and oil return volume are normal. (Pay attention to fire prevention and never be dangerous)!

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  • Ken 10:12 AM, Today
    Dear Sir,Thanks for your inquire. What should I do for you?