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Fuel Pump Replacement Service
How much does a Fuel Pump Replacement cost?
On average, the cost for a Ford Bronco Fuel Pump Replacement is $187 with $73 for parts and $114 for labor. Prices may vary depending on your location.
|1991 Ford BroncoL6-4.9L||Service typeFuel Pump Replacement||Estimate$867.33||Shop/Dealer Price$1017.62 - $1388.59|
|1983 Ford BroncoL6-4.9L||Service typeFuel Pump Replacement||Estimate$792.15||Shop/Dealer Price$968.91 - $1464.25|
|1989 Ford BroncoV8-5.8L||Service typeFuel Pump Replacement||Estimate$498.29||Shop/Dealer Price$574.13 - $721.61|
|1969 Ford BroncoV8-5.0L||Service typeFuel Pump Replacement||Estimate$292.45||Shop/Dealer Price$344.25 - $464.79|
|1980 Ford BroncoV8-5.0L||Service typeFuel Pump Replacement||Estimate$292.45||Shop/Dealer Price$344.31 - $464.89|
|1984 Ford BroncoV8-5.8L||Service typeFuel Pump Replacement||Estimate$807.61||Shop/Dealer Price$978.62 - $1440.93|
|1991 Ford BroncoV8-5.8L||Service typeFuel Pump Replacement||Estimate$814.08||Shop/Dealer Price$963.94 - $1334.59|
|1984 Ford BroncoV8-5.0L||Service typeFuel Pump Replacement||Estimate$370.20||Shop/Dealer Price$429.57 - $555.79|
Show example Ford Bronco 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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- 07-23-2011 01:51 PM#1Junior Member New User
- Join Date
- Jul 2011
1989 Ford Bronco fuel pump turns off while driving when hot outside
My 1989 Ford Bronco has a strange issue while driving when it is hot outside my fuel pump turns off. If i let the truck sit for an hour or two it will restart with out any problems till the next really hot day. When I crank the engine 302 5.0 it has spark but the fuel pump will not come on. I have replaced the TFi module and the fuel pump relay. has anyone had this issue with ther bronco? thanks any help will be really apprecieated
- 07-23-2011 05:01 PM#2Junior Member New User
- Join Date
- Dec 2002
Re: 1989 Ford Bronco fuel pump turns off while driving when hot outside
bad pumps will shut down when they hot. which one is stopping?
the one in the tank or one on the frame rail.
- 07-23-2011 05:01 PM#3
- 07-25-2011 12:35 AM#4
- 07-25-2011 06:19 AM#5
- 07-25-2011 03:36 PM#6
best fuel pumpBy colobronco in forum Four Door Bronco, Centurion, Magnum Ect.Replies: 4Last Post: 12-30-2013, 04:35 PM
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Symptoms of a Bad or Failing Fuel Pump
Virtually all modern vehicles that use internal combustion engines come equipped with fuel pumps. The fuel pump is the component that is responsible for delivering fuel from the gas tank to the the engine at the appropriate pressure required to meet performance demands. When the key is turned on, the fuel pump is activated and pressurized, which can be heard as a quiet whine or hum in some cars. The fuel pumps equipped on most modern vehicles are electric pumps that are mounted in the fuel tank. However, some vehicles are equipped with inline or mechanical style fuel pumps. Because the fuel pump is the component responsible for supplying the engine with the fuel required for it to run, any issues with it can cause major drivability and performance problems. Usually a bad or failing fuel pump will produce a few symptoms that alert the driver of a potential issue.
1. Whining noise from the fuel tank
One of the first symptoms of a problem with the fuel pump is a loud whining sound. An old or worn fuel pump may produce a noticeably loud whine or howl when it is running. Most fuel pumps will produce a quiet hum during their normal operation, however an excessively loud whine coming from the fuel tank is usually a sign that there is an issue.
2. Difficulty starting
Another symptom that is commonly associated with a problematic fuel pump is difficulty starting. Because of how they operate (constantly running whenever the ignition is turned on) over time fuel pumps can eventually wear out and weaken. A weak fuel pump may still pump fuel, however the vehicle may experience difficulty starting as a result of the lack in pressure. A weakened fuel pump can cause the vehicle to take more cranks to start than normal, and in more serious cases may even cause the vehicle to require multiple turns of the key before it will start.
3. Misfires and a decrease in power, acceleration, and fuel efficiency
Another symptom of a problem with the fuel pump is engine performance issues. As the fuel pump is what supplies the vehicle with the fuel required for combustion to occur, any issues with it can affect the engine’s fuel supply and cause issues. A faulty pump with low pressure will disturb the engine’s air-fuel ratio, which can cause all sorts of performance problems. Aside from hard starting, the vehicle may experience misfires, a loss in power and acceleration, a decrease in fuel efficiency, and even engine stalling.
4. Car is not starting
Another more serious symptom of an issue with the fuel pump is a no start condition. If the fuel pump fails completely, or to the point of not being able to provide enough fuel for the engine to run, the vehicle will experience a no start condition. The engine will still crank when the key is turned, however it will be unable to start due to the lack of fuel. A no start condition can also be caused by a wide variety of other issues, so having the vehicle properly diagnosed is highly recommended.
Fuel pumps are found on virtually all internal combustion engine equipped vehicles in one form or another. Most fuel pumps are built to last, however over time, as the vehicle enters high mileage, it is not uncommon for fuel pumps to require replacement. Another reason fuel pumps fail is if you regularly keep less than 1/4 of a tank of fuel in your car. If your vehicle is displaying any of the symptoms above, or you suspect that your fuel pump may be having an issue, have the vehicle inspected by a professional technician, such as one from YourMechanic, to determine if the pump should be replaced.
This article originally appeared on YourMechanic.com as Symptoms of a Bad or Failing Fuel Pump.
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Do youhave the same problem?
Thursday, October 14th, 2010 AT 3:34 PM
Problems pump ford fuel bronco
We will give you both sides of the fuel pump debate and let you decide which way to go.
Frame-Mounted Fuel PumpIn the blue corner we have the frame-mounted pump.
PRO This is easy to install and easy to replace if the need ever arises. It is best to mount these as close to the tank as possible.
CON Those in the red corner will contend that these pumps go out more frequently and that they do not like to pull the gas out of the tank when they are run dry. We have never experienced these problems first hand.
In-Tank-Mounted Fuel PumpNow in the red corner we have the fuel pump mounted in the tank. You will need a special tank for this set up.
PRO The red corner claims that these are much more reliable than frame mounted units and fuel pick up is never a problem because the pump is right in the tank.
CON The blue corner will say the in-tank pumps are more prone to malfunction and it is a major pain to replace on the trail if necessary. You would have to drop the whole tank or have a cover made on the inside of the Bronco to allow access to the pump. The in-tank set up also costs considerably more.
We have heard from different Ford techs who are on both sides of this debate, so the choice is yours.
bronco II fuel pump problem
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Fuel Pump Problems
Here's the deal: My 1996 Bronco 5.8L will not start. It will turn over, but not start. I can't hear the fuel pump kick on at all. I have replaced the fuel pump relay, but it still doesn't start. My Haynes manual says I can test the fuel pump through the data link connector, but for the life of me I don't know how to do that. I posted the same thing on fullsizebronco.com and was be-littled. I know a little bit about cars, but don't usually try and fix things myself, but I can't really afford the $350 my mechanic wants right now. Could somebody please help me without treating me like crap?
Click to expand...
There are various Fuel System Trouble Codes that may lead you to the problem area; Do you have a check engine light on?
Anyway, I believe some non-emission faults won't light it off; so beg or borrow an OBD II Code scanner and run the test.
Some DTCs are
Poor fuel pump Ground
Open/shorted ckt in pump
bad pump (Locked fuel pump rotor)
Fuel Pump control out of Self-Test range
Plugged fuel filter
By Ford for 96 OBD II:
As fuel system components age or otherwise change over the life of the vehicle, the adaptive fuel strategy learns
deviations from stoichiometry while running in closed loop fuel. These learned corrections are stored in Keep
Alive Memory as long term fuel trim corrections. They may be stored into an 8x10 rpm/load table or they may be
stored as a function of air mass. As components continue to change beyond normal limits or if a malfunction
occurs, the long term fuel trim values will reach a calibratable rich or lean limit where the adaptive fuel strategy is
no longer allowed to compensate for additional fuel system changes. Long term fuel trim corrections at their limits,
in conjunction with a calibratable deviation in short term fuel trim, indicate a rich or lean fuel system malfunction..."
& FYI on the CEL'
Occasional flashes show momentary malfunctions. It stays on if the problem is of a more serious nature, affecting the emissions output or safety of the vehicle. A constantly flashing MIL is a sign of a major problem which can cause serious damage if the engine is not stopped immediately. In all cases a "freeze frame" of all sensor readings at the time is recorded in the central computer of the vehicle