Isuzu Pickup Fuel Injector Replacement at your home or office.

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Fuel Injector Replacement Service

How much does a Fuel Injector Replacement cost?

On average, the cost for a Isuzu Pickup Fuel Injector Replacement is $829 with $734 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1984 Isuzu PickupL4-2.2L DieselService typeFuel Injector ReplacementEstimate$2023.39Shop/Dealer Price$2510.49 - $3949.29
1981 Isuzu PickupL4-1.8LService typeFuel Injector ReplacementEstimate$1788.67Shop/Dealer Price$2222.11 - $3499.88
1991 Isuzu PickupV6-3.1LService typeFuel Injector ReplacementEstimate$1609.69Shop/Dealer Price$1991.51 - $3103.18
1983 Isuzu PickupL4-1.9LService typeFuel Injector ReplacementEstimate$1788.67Shop/Dealer Price$2222.09 - $3499.84
1986 Isuzu PickupL4-2.3LService typeFuel Injector ReplacementEstimate$2063.73Shop/Dealer Price$2559.09 - $4011.30
1994 Isuzu PickupV6-3.1LService typeFuel Injector ReplacementEstimate$1562.19Shop/Dealer Price$1939.01 - $3046.92
1994 Isuzu PickupL4-2.3LService typeFuel Injector ReplacementEstimate$1992.55Shop/Dealer Price$2468.01 - $3861.04
1982 Isuzu PickupL4-1.8LService typeFuel Injector ReplacementEstimate$1793.67Shop/Dealer Price$2227.34 - $3505.30
Show example Isuzu Pickup 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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Excellent Rating

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Rating Summary
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David

37 years of experience
39 reviews
David
37 years of experience
Isuzu Pickup L4-2.3L - Whining sound when car is in gear - Manor, Texas
It was cool. Diagnosed problem right away

Mohammed

9 years of experience
152 reviews
Mohammed
9 years of experience
Isuzu Pickup L4-2.3L - Car is not starting - Raleigh, North Carolina
Although my appointment was scheduled for Friday, Mohammed called and was able to come Thursday afternoon. He was concerned that I may have been stranded, and did not know the appointment was for a second vehicle. I was impressed with that alone. Once there he quickly diagnosed the trouble and showed me several things that was causing the vehicle to fail to start. He also recommended several items in need of repair. He was a pleasure to work with and I feel confident in hiring him again for recommended repair work.

Justin

8 years of experience
372 reviews
Justin
8 years of experience
Isuzu Pickup L4-2.3L - Engine hesitates during acceleration - Boca Raton, Florida
He arrived early and spent time attempting an old school diagnosis on a 23-year-old vehicle and believe he found the problem.

Kahlin

17 years of experience
41 reviews
Kahlin
17 years of experience
Isuzu Pickup L4-2.6L - Oil Change - San Diego, California

Excellent Rating

(8)

Rating Summary
7
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Number of Isuzu Pickup services completed
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services done by our mechanics
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