We only sell New Airtex Fuel Pumps, AC Delco Fuel Pumps, Spectra Premium Fuel Pumps We stock and ship Quality Replacement OEM Fuel Pumps
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Fuel pumps
Fuel pumps are available for both mechanical and electric applications. Coverage exceeds 95% of domestic and import vehicle applications. Marine, hi-performance and farm and industrial fill out the application coverage. Fuel pumps also have a 1 year warranty.
Brands include bosch fuel pumps, AC Delco Fuel Pumps,Airtex , Spectra Premium Fuel Pumps,Borg Warner Fuel Pumps,Carter Fuel Pumps,Motorcraft electric fuel pumps and strainers, complete sender, module and hanger assemblies, mechanical fuel pumps, pushrods, pulsator valves, import spacer gaskets, fuel bowls and many miscellaneous components.Marine and Industrial Fuel pumps are available. Dont see your fuel pump just call.
Industrial Fuel Pumps Including Semi Trucks
Marine Fuel Pumps - Water Craft - Inboard Marine Fuel pumps
Why Flow & Pressure Are So Important
A fuel pump that doesn't meet the OE minimum fuel flow or pressure requirements for your car can cause driveability and emissions problems.
A weak fuel pump or one that can't generate enough pressure can upset the calibration of your fuel system. This may cause the engine to run lean or starve for fuel under load, causing symptoms such as hard starting (hot or cold), poor idle quality, hesitation or stumbling when accelerating and a loss of high-speed power.
Low fuel pressure can also be a cause of lean misfire at idle and under load, which causes a dramatic increase in hydrocarbon (HC) emissions. A car experiencing this kind of problem usually won't pass an "enhanced" emissions test that measures exhaust emissions under simulated driving conditions on a dynamometer.
Low fuel pressure and/or lean misfire can also trigger the engine warning lamp on 1996 and newer cars equipped with OBD II (on-board diagnostics).
So, if the original fuel pump is weak or has failed, it's important to make sure your replacement fuel pump meets all OE fuel performance specifications. Bosch pumps do match OE requirements, but many brands don't - so beware when purchasing a new fuel pump for your car. Always remember - you get what you pay for. Is it really worth risking severe damage to your fuel injection system?
Why Fuel Pumps Fail
Electric fuel pumps run constantly, so after many years of service they can experience wear in the armature bushings, brushes and commutator. Pump vanes, rollers or gears can also wear causing a gradual loss of pressure and flow.
Accelerated wear may also occur if sediment or rust gets past the inlet filter sock. In some instances, a pump will fail because contaminants entered the pump and jammed it, causing the motor to overheat and burn out.
Your fuel pump relies on fuel passing through it for lubrication and cooling. Consequently, fuel starvation can be another factor that accelerates wear and may even cause pump damage under certain operating conditions.
Fuel Pump Diagnosis
If your fuel pump stops working (no noise, no line pressure), the first thing that should be checked is the pump's voltage supply and electrical connections. An open relay, blown fuse or loose wire may be all that's preventing the pump from working. Low battery voltage can also reduce the pump's ability to generate pressure by reducing the speed of the pump motor.
Measuring static output pressure and fuel delivery are the two standard diagnostic tests that can be used to determine a pump's ability to deliver fuel.
Static pressure is measured with a gauge attached to the fuel rail or teed into the fuel supply line with the engine off and pump energized. Fuel flow is measured by disconnecting the fuel supply line, energizing the pump for a specified number of seconds (engine off) and measuring the volume of fuel delivered into a container.
If static pressure or the volume of fuel delivered is less than your car manufacturer's specifications, your fuel pump needs to be replaced. Replacement would also be required if the pump's check valve has failed (inability to hold residual pressure in the system after the ignition is turned off).
We stock a complete line of Fuel Pumps and Fuel Pump Assemblies
