(5) The plastic fuel pump module locknut is threaded onto fuel tank (Fig. Refer to Quick-Connect Fittings for procedures. (4) Disconnect fuel return and pressure lines from fuel pump module fittings (Fig. (3) Thoroughly wash and clean area around pump module to prevent contaminants from entering tank. (1) Perform Fuel System Pressure Release Procedure. BEFORE SERVICING FUEL PUMP MODULE, FUEL SYSTEM PRESSURE MUST BE RELEASED. WARNING: THE FUEL SYSTEM IS UNDER A CONSTANT PRESSURE (EVEN WITH THE ENGINE OFF). Refer to Fuel Pump, Fuel Filter/Fuel Pressure Regulator and Fuel Gauge Sending Unit.įuel tank removal will be necessary for fuel pump module removal. If the electrical fuel pump requires service, the entire fuel pump module must be replaced. The fuel gauge sending unit and pick-up filter may be serviced separately. Fuel gauge sending unit (fuel level sensor).A gasket between tank flange and module.A threaded locknut to retain module to tank.A separate fuel pick-up filter (strainer).Some are for gasoline engines only, some just for diesel and a few will work with either fuel, so make sure to fully read the instructions.The fuel pump module (Fig. Others feature lubricants for the upper cylinders (above the piston rings, where oil cannot reach). The formulations of some fuel injector cleaners include detergents, including PEA (Polyetheramine), which cleans and clears away harmful deposits and clogs. Dirty injectors can cause excess wear and tear on your fuel system and engine, which can result in costly repairs.īefore it gets to that stage, a quality fuel injector cleaner can help by dissolving gunk and cleaning fuel lines and injector nozzles-all for just a few bucks a bottle (prices vary and some are very inexpensive). And because of the precision of fuel injection, a little gunk can hurt a lot, resulting in a rough-running engine, a loss of power and reduced fuel economy. Best Fuel Injector Cleaners For 2023įuel injection systems are light years away from old-fashioned carburetion, except for one thing: Carbon and other deposits can block the spray of fuel from injector nozzles, just like they could inhibit fuel delivery in a carburetor. While we work hard to provide accurate and up to date information that we think you will find relevant, Forbes Home does not and cannot guarantee that any information provided is complete and makes no representations or warranties in connection thereto, nor to the accuracy or applicability thereof. The compensation we receive from advertisers does not influence the recommendations or advice our editorial team provides in our articles or otherwise impact any of the editorial content on Forbes Home. Second, we also include links to advertisers’ offers in some of our articles these “affiliate links” may generate income for our site when you click on them. This site does not include all companies or products available within the market. ![]() The compensation we receive for those placements affects how and where advertisers’ offers appear on the site. ![]() First, we provide paid placements to advertisers to present their offers. This compensation comes from two main sources. To help support our reporting work, and to continue our ability to provide this content for free to our readers, we receive compensation from the companies that advertise on the Forbes Home site. The Forbes Home editorial team is independent and objective.
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