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A clogged fuel filter makes the pump work harder, shortening its life. A partially clogged fuel filter can kill the pump. If there’s one, you need to replace it along with the fuel pump. You need to always check for a fuel filter in every vehicle you work on. Some older cars have a separate fuel filter. Cleaning the wires, and taking a picture the connector before cutting it off is a good idea. It’s really easy to mis-wire a new connector, when all the wires leading to it are dirty brown.

Replacing the vehicle side connector should solve the issues with poor connections, but sometimes causes another problem.

This causes the pump to turn more slowly than it should, and can shorten the life of the pump. A poor connection can cause enough resistance to lower the amount of voltage reaching the pump. An intermittent connection can cause stumbling when the connection is jarred.

Reusing an old connector can result in an intermittent or poor connection.

There are two ways this can cause problems: However, sometimes the vehicle side connector is damaged, corroded or worn. Simply plug the new fuel pump connector into the old vehicle side connector. In most fuel pump installations, the wiring is a plug and play. Do you want to reduce your shop’s chances of getting comebacks due to premature fuel pump failure? Make sure your techs avoid the 5 most common mistakes listed below. These are pretty serious problems and will upset even your most loyal customers. The most common issues that crop up after a poorly done fuel pump installation are:

Your engine loses power and fuel efficiency. When the fuel pump isn’t working right, your engine isn’t getting the amount of fuel it needs to run well. If a fuel pump isn’t installed correctly, it either won’t work at all or won’t supply enough fuel to the engine. What Happens If A Fuel Pump Isn’t Installed The Right Way? Even the most experienced techs can make mistakes on a fuel pump replacement. It’s not easy to replace a fuel pump, but avoiding the most common mistakes will help the job go much more smoothly. A surefire way to reduce comebacks is to install a part the right way the first time.