How Long Does a Fuel Pump Usually Last?

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Fuel pumps are a simple and rugged part of the fuel system. They are usually found inside of the fuel tank and are responsible for sending fuel from the tank to the engine. Because this job is very important and the location of the fuel pump is so difficult to access, the pump is built to be tough. There is really no reason to preemptively replace the fuel pump before 100,000 miles. Fuel pumps have been known to last for over 200,000 miles in some cases. After 100,000 miles, the failure of the pump is likely enough that if you are replacing a major part in the fuel system nearby, it may be advantageous to replace it at the same time.

What makes a fuel pump last longer?

General use and fuel quality are the two biggest factors that contribute to the lifespan of the fuel pump. There are a few ways that the average driver can extend the life of their fuel pump with very little effort:

  • Always keep the tank at least a quarter of the way full.

    • Gas acts as a coolant for the fuel pump, and if the tank runs dry then there is no liquid to cool the pump. Overheating shortens the life of the fuel pump.
    • The weight of the fuel helps move it out of the tank, and with less fuel there is less pressure pushing it through the fuel pump, meaning there is more effort taken by the pump (shortening its life).
    • Impurities and any debris from gasoline or from dust and dirt that has gotten into the tank will sink to the bottom. When the fuel on the bottom of the tank is sucked into the fuel pump, the debris could cause damage. The fuel filter can protect the injectors and engine from debris but the pump is affected.
  • Keep the fuel system maintained.

    • Parts in the fuel system are meant to function for a long time if maintained correctly. With regular inspections and fuel filter replacements, the parts will last as long as the manufacturer intends.
    • Make sure the gas cap has a good seal, otherwise fuel vapor can get out, and dust and debris can get in.
  • Avoid gas pumps and gas stations that appear poorly maintained. If there is water in the gas or corrosion on the nozzles, this can cause damage to the fuel system and shorten the life of the fuel pump. Cheap gas is just fine, as fuel quality is well regulated in the US, but gas pumps in a state of disrepair are still present on occasion.

When should the fuel pump be replaced?

It is usually unnecessary to preemptively replace the fuel pump, but if there is another service being performed on the vehicle that involves removing the gas tank, and the current fuel pump has been running for over 100,000 miles, then replacing it could save money and time in the long run.

If the fuel pump seems to be surging and then not delivering enough fuel, get it inspected by a qualified mechanic right away. The fuel system is necessary to keep the car running and a poorly maintained fuel system is downright hazardous.


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Recent Fuel Pump Replacement reviews

Excellent Rating


YourMechanic Fuel Pump Replacement Service

Average Rating

4.8/5

Number of Reviews

1,048

Rating Summary
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965
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Matthew

32 years of experience
781 reviews
Matthew
32 years of experience
Mercedes-Benz C240 - Fuel Pump - Newport News, Virginia
Matt was friendly, receptive to my opinion, and suggestions, professional, and knowledgeable about the fuel pump. He replaced the fuel pump and had me back on the road in no time! I will call him back for future service! Thank you, Matt. May God bless you!
Mercedes-Benz C240 - Fuel Pump - Newport News, Virginia
Great personality greeted me with a warm welcoming! Explain what he would be doing, and his experience! After he did the 50 point inspection I feel he may have mistaken diagnosed my water pump! It has no leaks and it isn’t cracked not sure we’re that came from. I drove my car after Matt replaced the fuel pump and I took it to the Mercedes dealer the pulley has 4 nuts and bults one was lose and they just tighten it up for me ! Other than that Great service!

Jason

31 years of experience
198 reviews
Jason
31 years of experience
Lincoln Town Car - Fuel Pump - Glendale, Arizona
Jason expertly replaced my defective fuel pump & left rear window drive with some unexpected hurdles. Both the car runs & the window works nicely. However, the car door ajar alarm is now active with all doors securely closed, the driver door window now doesn't work & the car alarm is now erratic (battery is now disconnected to keep it from draining). I'm not sure why these issues are present, but I am requesting that they be checked out, because there's no way that I'll operate the car under these conditions. Please reply ASAP & I'm waiting for your reply.
Ford Ranger - Fuel Pump - Tucson, Arizona
Very knowledgable, got right to work and completed the work in record time Would recomment again to anyone.

Michael

22 years of experience
44 reviews
Michael
22 years of experience
Chrysler 300 - Fuel Pump - Milford, Michigan
The fuel pump in our car went bad in the driveway and Mike came out and fixed it on the spot. I hadn't heard of this service before but I'm so thankful I ran across it. It was super easy and as stress-free as getting a car repaired could be. No mess, no fuss. Thank you Mike! I'm sure we will be seeing you again. You did a great job! We are happy! :)
Jeep Wrangler - Fuel Pump - Milford, Michigan
I had another excellent experience with Michael's work on my Wrangler today! The task was complicated by Michigan Rust on a 2002 vehicle. Michael worked very hard to complete the job. I highly recommend you schedule Michael to work on your vehicle's issue.s He has done a lot of work on my Wrangler and does good work! Michael is very honest and trustworthy.

William

16 years of experience
64 reviews
William
16 years of experience
Ford Taurus - Fuel Pump - Denver, Colorado
William showed up on time. Very knowledgeable, courteous, pleasant to talk to. He explained what he was doing. Asked him what SUV he would recommend. He said any of the mechanics could even go and do a 125 point inspection on a vehicle I may be thinking of buying in the future which I thought was great. He is fantastic. Will definitely use William again for any car repairs.

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