Buick Allure Fuel Injector Replacement Costs

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Fuel Injector Replacement Service

How much does a Fuel Injector Replacement cost?

On average, the cost for a Buick Allure Fuel Injector Replacement is $779 with $527 for parts and $252 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
2007 Buick AllureV6-3.8L	Service typeFuel Injector Replacement	Estimate$2632.94	Shop/Dealer Price$3196.27 - $4864.39
2010 Buick AllureL4-2.4L	Service typeFuel Injector Replacement	Estimate$2228.67	Shop/Dealer Price$2671.44 - $3986.16
2006 Buick AllureV6-3.8L	Service typeFuel Injector Replacement	Estimate$2608.61	Shop/Dealer Price$3167.24 - $4831.84
2008 Buick AllureV6-3.6L	Service typeFuel Injector Replacement	Estimate$1317.38	Shop/Dealer Price$1584.38 - $2377.83
2005 Buick AllureV6-3.6L	Service typeFuel Injector Replacement	Estimate$1448.77	Shop/Dealer Price$1721.42 - $2519.11
2007 Buick AllureV6-3.6L	Service typeFuel Injector Replacement	Estimate$1733.51	Shop/Dealer Price$2073.74 - $3082.30
2005 Buick AllureV6-3.8L	Service typeFuel Injector Replacement	Estimate$2929.47	Shop/Dealer Price$3568.36 - $5473.63
2006 Buick AllureV6-3.6L	Service typeFuel Injector Replacement	Estimate$1733.51	Shop/Dealer Price$2073.36 - $3081.63

Show example Buick Allure Fuel Injector Replacement prices

What is a fuel injector and how does it work?

A fuel injector is a fuel metering device that sprays atomized droplets of fuel in a specific pattern into the engine’s intake manifold or directly into the combustion chamber. The injector has a solenoid and valve within and the operation, or pulsing, of the solenoid is controlled by the powertrain control module (PCM). The PCM controls the solenoid’s “on” time in order to keep the air-fuel ratio optimized while the engine load and operating conditions constantly change. Fuel injectors are usually connected to a fuel rail located on the top of the engine and the fuel rail, in turn, is supplied with fuel under pressure from the fuel pump located in the fuel tank.

When to consider replacing a fuel injector:

Rough idle, loss of power, or misfiring. Poor engine operation has many causes but faults in the fuel injection system, including the fuel injectors, are high on the list of possibilities.
Odor of raw gas or visible leaks. Fuel injectors should not leak fuel into the intake manifold when the car is off. If you notice any fuel odor around your car, the possibility of a leaking fuel injector should be considered. There should be no external leak from a fuel injector. If an externally-leaking injector is suspected, do not start your car due to the fire hazard.
Check engine light. Some fuel injection failures, for example, a faulty solenoid, may cause a trouble code to be set in the PCM and that will cause the check engine light to illuminate. The codes are read and the fuel injector is tested directly, as needed.
Major engine repairs, engine replacement, or lengthy storage. All fuel injectors will have deposits given enough mileage. These deposits can cause an imbalance in the performance of the injectors from cylinder to cylinder. When an engine is already disassembled, or if you are installing a new engine, that is a perfect time to service the injectors as a set. All injectors have tiny internal filter baskets. A professional injector service facility will clean each injector ultrasonically and replace these filters for a relatively low cost.

How do mechanics replace a fuel injector?

Injectors can be serviced once removed from the car or replaced outright with new injectors. If the injectors are serviced, specialized cleaning and test equipment are required. The choice to repair versus replace will depend on exactly what is wrong with the injector as well as customer preference. Either option requires removing the injector from the car and the following procedure is typical:

Once the engine is cold, the pressure within the fuel rail is relieved by briefly running the engine with the fuel pump fuse out.
The upper plenum on the intake manifold is removed along with any cables, hoses, or wiring that restricts access.
The supply and return lines are removed from the fuel rail. The electrical connectors to each fuel injector are unlocked and removed. The fuel rail is then unbolted and removed from the intake manifold.
The injector(s) requiring replacement are removed from the fuel rail, taking care to not allow any debris to enter the exposed openings. An O-ring seal usually holds the injector very firmly in a finely polished bore in the fuel rail.
Using a new O-ring, the serviced or replaced injector is re-inserted into the fuel rail — using engine oil on the O-ring to prevent damaging it. O-rings in this application fit very tight to prevent fuel leaks.
The fuel rail is re-installed and the supply and return lines are re-connected. The plenum is re-installed along with all cables, hoses, or wiring.
Finally, the engine is run, there is a careful check for leaks, and the vehicle is road tested.

Is it safe to drive with a fuel injector problem?

Yes, so long as there is no external leak of fuel from a broken or malfunctioning injector, it is safe to drive the car. However, if the injector is known to be malfunctioning, it can cause engine misfires, excessive emissions or, in the case of a badly leaking injector, can overload and overheat the catalytic converter. Additionally, fuel efficiency will always be diminished if the fuel injectors are not working properly.

When replacing a fuel injector keep in mind:

Using high quality (Tier One) gasoline may reduce deposits on fuel injectors and prolong their life.
If an injector problem develops that requires removal of one injector, the best practice is to remove and service all of the injectors at the same time. That service might involve replacement of the electrically failed injector along with off-the-car cleaning of the remaining injectors. Serving all injectors at once ensures the injector set will be balanced, in terms of flow rates, and in turn promote smooth operation of the engine.
Do not use fuel system cleaning compounds, or procedures, unless such materials are specified by the manufacturer of your car.
On the car cleaning of fuel injectors is not as effective as off-the-car cleaning because injectors have tiny internal filter baskets that should be replaced as part of the process of servicing a fuel injector.

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Benji

23 years of experience

309 reviews

Benji

23 years of experience

by Kyle

Buick Encore L4-1.4L Turbo - Fuel Injector Replacement - Phoenix, Arizona

Smooth and professional

Tyrone

10 years of experience

154 reviews

Tyrone

10 years of experience

by Kyle

Buick Regal V6-3.8L - Fuel Injector - Los Angeles, California

Tyrone was quick and excellent

Luis

36 years of experience

31 reviews

Luis

36 years of experience

by DEREK

Buick Regal V6-3.1L - Fuel Injector - Berkeley, California

Jim

13 years of experience

58 reviews

Jim

13 years of experience

by Julie

Buick Rendezvous V6-3.4L - Alternator - Roselle, Illinois

I Have to say my experience with Your Mechanic was less than perfect. I did not know what to expect since it was my first time using this company. I received my quote and agreed to it, made my appointment with Franky O. The earliest one was a week off, so I took it. Waited the week and the morning my mechanic was to come received a text saying he was on his way. Then received a text saying it was cancelled and I would have to reschedule. Angry that I had already waited I reluctantly agreed to reschedule with a new mechanic for that Monday since it was Easter weekend and that was the earliest they could get me in and offered a discount for my inconvenience. Thinking everything was set I went on with my day. Then received a call saying there would have to be a price increase for my part. Angered I called to talk to them and received Mitch in costumer service, after explaining again the situation and the feeling that I shouldn't be paying more for the part since they should have already had the part from the morning they were supposed to put it in was ridiculous. Mitch then agreed to lower the price another $10 from the new quote with the discount. It was still more than my original but since I had already waited a week and needed my car and it was lower than going to a shop, I agreed. Here I will tell Mitch that I am sorry that he had to deal with me. I was less than friendly. Jim Steil showed up exactly on time at 7am and put the new part in my car and had it all done by 8:30am. I was extremely pleased with Jim and his work. He was polite and turned my experience with this company around. Honestly this company can thank Jim for making me think that it was all worth it. They said this was very unusual and never really happens, but if it were not for the excellent work Jim and his friendly nature I probably would never call them again. I really hope this was a one time thing because the price was very good and my mechanic was very nice and professional. THANK YOU JIM STEIL!!

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