Infiniti QX80 Fuel Pump Replacement Costs

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Fuel Pump Replacement Service

How much does a Fuel Pump Replacement cost?

On average, the cost for a Infiniti QX80 Fuel Pump Replacement is $547 with $407 for parts and $140 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
2018 Infiniti QX80V8-5.6L	Service typeFuel Pump Replacement	Estimate$1079.16	Shop/Dealer Price$1310.29 - $1994.75
2015 Infiniti QX80V8-5.6L	Service typeFuel Pump Replacement	Estimate$960.01	Shop/Dealer Price$1166.72 - $1779.65
2016 Infiniti QX80V8-5.6L	Service typeFuel Pump Replacement	Estimate$1054.65	Shop/Dealer Price$1285.07 - $1969.00
2017 Infiniti QX80V8-5.6L	Service typeFuel Pump Replacement	Estimate$1054.65	Shop/Dealer Price$1283.67 - $1966.56
2014 Infiniti QX80V8-5.6L	Service typeFuel Pump Replacement	Estimate$960.01	Shop/Dealer Price$1169.34 - $1784.23

Show example Infiniti QX80 Fuel Pump Replacement prices

What is the fuel pump and how does it work?

The fuel pump supplies pressurized gasoline to each of the fuel injectors in a car’s engine. The fuel pump is powered by a compact electric motor and is located in the vehicle’s gas tank. The pressure and output of the pump are controlled by a regulator. Filtration of the fuel occurs either in the fuel tank using a pickup screen or externally with a replaceable filter mounted in the fuel supply line.

When to consider replacing the fuel pump?

A high quality, OEM fuel pump can last indefinitely. However, as with any electro-mechanical component, a fuel pump will eventually degrade and fail. If it fails to produce adequate pressure or completely quits operating, it will need to be replaced. This failed condition can sometimes be preceded or accompanied by one or more of the following symptoms:

Car won’t start or unexpectedly stalls and won’t re-start. A failed fuel pump may prevent a car from starting or stall it.
Check engine light is on. Sometimes a fuel pump will fail slowly, and that means the fuel pressure and volume slowly degrades. The lack of fuel may result in the engine operating without enough fuel relative to the amount of air, causing the check engine light to appear.
Whirring noise from fuel tank. As a fuel pump fails, you may notice a whirring or humming noise coming from the fuel tank area, toward the rear of the car. If the noise is from the fuel pump, failure of the pump is often imminent and you should replace the fuel pump at your earliest convenience.

How do mechanics replace the fuel pump?

The fuel pump is tested to be sure it isn’t functioning.
Should the fuel pump be faulty, it is removed from the tank through an access panel above the tank in the passenger compartment.
When no access panel exists, fuel is first drained from the tank and then the fuel tank must be lowered from the vehicle to gain access to the pump.
In all cases, fuel pump supply and return hoses, as well as EVAP system hoses, and electrical connections to the pump must be removed.
Once the pump is out, any reusable brackets and pick up screens are attached to the new pump, then the new pump is installed.
If the fuel system uses an in-line external filter, a filter is often replaced. All hoses and electrical connections are re-established.
Fuel is added to the tank and the engine is run to test for leaks.

Is it safe to drive with a fuel pump problem?

Usually, it’s still safe to drive, but the pump may lead to an overheated engine and catalytic converter. Complete fuel pump failure can leave you stranded out on the road, but many times a car won’t start before initially driving.

However, if the fuel pump problem involves leaks of gasoline or vapors, it is unsafe to continue driving, and should immediately be checked by a qualified mechanic.

When replacing the fuel pump keep in mind:

Prior to replacing, the mechanic will power the fuel pump directly to confirm that the issue is a failed pump versus a faulty power supply to the pump.
Unless the fuel filter was replaced recently, whenever the fuel pump is replaced a new fuel filter should be installed.
When failing earlier than expected, the power supply should be verified because a voltage drop in the fuel pump circuit can lead to overheating.
Should the fuel tank be lowered during the repair, the fuel tank straps and fasteners should be checked for excessive corrosion and replaced as needed.
The fuel in the gas tank cools and lubricates the fuel pump. After installation of a new fuel pump, it’s wise to keep the gas tank at least a quarter full to maximize the life of a new fuel pump.

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Jeffrey

17 years of experience

111 reviews

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Jeffrey

17 years of experience

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by Bree

Infiniti QX80 V8-5.6L - Alternator Repair - Oldsmar, Florida

He was Friendly, Knowledgeable and got the job done even in the heat!! Thank You Jeffrey!!

Simon

28 years of experience

378 reviews

Simon

28 years of experience

by Alvin

Infiniti QX80 V8-5.6L - Differential Fluid Service Replacement (Front, Rear) - Upper Marlboro, Maryland

Great service! Simon is very polite and professional. Service was completed in a shorter time than expected.

Trey

23 years of experience

153 reviews

Trey

23 years of experience

by Tiana

Infiniti QX80 V8-5.6L - Car is not starting - Kernersville, North Carolina

Leo was very knowledgeable and made me feel confident in his diagnosis of my vehicle. He was thorough and made sure to test the necessary components to be sure that the final recommendations were correct.

Johnny

34 years of experience

392 reviews

Johnny

34 years of experience

by Jonathan

Infiniti QX80 V8-5.6L - Oil Change - Sacramento, California

Johnny was prompt and very courteous and making sure that he left things the way he found them. Very knowledge and answered all of our questions.

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