Q1: Why pump is not running?

A1: When pump is not running the reason would be: 1. the power supply is not connected or wiring is faulty; 2. Internal components are damaged by ingress of impurities, falls or hit. Please: 1. Reconnect wires correctly, red wire is positive, black wire is negative; 2. Tell us via Amazon message for a relacement.

Q2: Why pump is running but not absorb fuel?

A2: 1.There is Leakage in fuel inlet pipe; 2.The inside of the pump is too dry or there is air inside. Please: 1.Check or change fuel inlet pipe. 2.Drop 5-10ml fuel into inlet of pump to lubricate.

Q3: Why it is low flow?

A3: The pump is installed in a high position. Please install within 12" (about 30cm) height from fuel tank.

Q4: Leaking problem

A4: When installing the filter to the inlet, too large torque may due to nut loosen and cause leakage. Please install manually instead of using tools; adding Teflon tape (or waterproof seal tape) or applying sealant to the filter. If still not be solved please tell us via Amazon message for a relacement.

If you have any other issues, questions, or concerns about the product please feel free to let us know via Amazon-Customer-Service.