Question about 1996 Chevrolet Suburban

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How do I remove and clean the fuel injectors?

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Don't remove your injectors - your fuel is a great solvent and it automatically cleans the injectors. If you feel compelled to do this, add some injector cleaner (purchased from PEP BOYS or AUTO ZONE or CHECKER) to your gas tank per instructions on the container.

Posted on Jul 15, 2009

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The easiest way is to put a cleaner solution in the fuel tank, this will run though the whole fuel system and clean the injectors and lines.
It may smoke a little for a few miles or so, depending on what fuel to cleaner ratio you use, but follow the makers instructions.

Posted on Jul 15, 2009

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How to remove and clean diesel injectors on mazda b2500d turbo intercooler


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How do I remove and clean a fuel injector?


You have to remove the fuel rail from the engine. Then you can pull out all of the fuel injectors to clean them. Most tune-up shops offer a fuel injection cleaning service that doesn't require removal of the injectors. If your car has high mileage, you can get some extremely good deals on brand new injectors from an on-line retailer, like Amazon.

Oct 18, 2014 | 2001 Buick LeSabre

1 Answer

Fuel injectors


You typically don't need to remove your fuel injectors to clean them. Have you tried using a really strong fuel injector cleaning product? Also if you go to any garage, they can use a machine to clean you injectors for you, it is a lot easier and less expensive (if you screw something up) than doing it yourself.

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What is the average cost to clean fuel line and injectors on a1990 jaguar xj6 ?


Clean How?

On a vehicle that old, you remove the injectors
& mail them to a place that ultrasonically cleans them

That is about $45.00 each

There is no fuel line cleaning

You could have them cleaned on the car with the
injector cleaner that is put in a container & pressurized
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Can anybody tell me how to change fuel injectors on 1989 audi 200 quattro?


first relief fuel pressure before disconnecting fuel lines remove fuel pump fuse or relay start engine let it idle until stall out lack fuel fuel now fuel pressure is reliefed. you have to remove top upper air cleaner housing, you have to remove whole entire air cleaning system because the fuel lines with fuel injectors is under the air cleaner filament you have to remove entire fuel line with fuel injector in order to replace fuel injector.

Nov 21, 2011 | Audi Cars & Trucks

2 Answers

I need to replace the #2 fuel injector. Is this something a layman such as I can accomplish?


You could do it, but remember gasoline is flammable and volatile and can be hazardous to work with: REMOVAL AND INSTALLATION 1.9L Engines
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Properly relieve the fuel system pressure.
  3. Remove or disconnect the following:
    • Negative battery cable
    • Fuel rail
    • Fuel injector retaining clip off the injector
    • Fuel injector
    • Fuel injector O-rings and discard them Fig. 1: Fuel injector identification-1.9L engine 9306zg58.gif
    To install: NOTE: The SOHC and DOHC fuel injectors are not interchangeable. The injectors are identified by a color coded plastic ring near the bottom of the injector. The SOHC injector has a blue ring near the O-ring that mates to the intake manifold and the DOHC has a pink ring.
  4. Lubricate the new fuel injector O-ring with clean engine oil.
  5. Install or connect the following:
    • New O-ring seals on the fuel injector
    • Retaining clip to the fuel injector
    • Fuel injector to the fuel rail
    • Fuel rail
    • Negative battery cable
  6. Start the vehicle and check for leaks, repair if necessary.
2.2L and 3.0L Engines
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Properly relieve the fuel system pressure.
  3. Remove or disconnect the following:
    • Negative battery cable
    • Fuel rail
    • Fuel injector retaining clip off the injector
    • Fuel injector
    • Fuel injector O-rings and discard them
Fig. 2: Remove the retainer clip from the fuel injector - 2.2L and 3.0L engines 9306zg59.gif
To install:
  1. Lubricate the new fuel injector O-ring with clean engine oil.
  2. Install or connect the following:
    • New O-ring seals on the fuel injector
    • Retaining clip to the fuel injector
    • Fuel injector to the fuel rail
    • Fuel rail
    • Negative battery cable
  3. Start the vehicle and check for leaks, repair if necessary.
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Feb 14, 2011 | 1999 Saturn SL

1 Answer

1996 4.3 vortec S10. Cranks wont start when engine/ outside temp is cold. Have used starting fluid,will start and run rest of day. Fuel pmp is cycling relay is working,needed a tune up I replaced all...


The plenum shouldn't be damp with gas. Is it a throttle body fuel injection system?

Could be a leaky injector.

Fuel Meter Body & Fuel Injectors (4.3L Engine) Removal & Installation 1995-2002 Models (RPO L35) To Remove:
4.3L (RPO L35) Fuel meter body assembly gm_trk_sil15_02-04_43_fuel_metr_body_assy.gif

  1. Before servicing the vehicle, refer to the Cautions and Warnings in the beginning of this section
  2. Remove or disconnect the following:
    • Upper intake manifold (See: Upper Intake Manifold)
    • Fuel meter body
    • Injector retainer lock nuts (J) and retainer (K)
    NOTE: Use care in removing the fuel injectors to prevent damage to the electrical connector terminals. The fuel injector is serviced as a complete assembly only. Also since the injectors are electrical compartments, these injectors should not be immersed in any type of liquid solvent or cleaner as damage may occur. Fuel injector cleaning is not recommended.
  3. While pulling the poppet nozzle tube downward, push with a small tip punch down between the injector terminals until the injector is removed
To Install:
4.3L (RPO L35) Fuel meter body assembly gm_trk_sil15_02-04_43_fuel_metr_body_assy.gif

Note: When ordering new fuel injectors, be sure to order the correct injector for the application being serviced.
  1. Lubricate the new injector O-ring seals with clean engine oil.
  2. Install or connect the following:
    • Fuel injector (L) into the fuel meter body injector socket
    • Retainer (K) and injector retainer lock nuts (J) and tighten the nuts
      1. Torque to: 27 inch lbs. (3 Nm)
    • Fuel meter body
    • Upper intake manifold (See: Upper Intake Manifold)
  3. Test drive the vehicle to confirm the repairs.
1993-2005 Models (RPO LU3) To Remove:
4.3L (RPO LU3) Fuel meter body assembly gm_trk_sil15_02-04_43_rpolu3_fuel_metr_body_assy.gif

  1. Before servicing the vehicle, refer to the Cautions and Warnings in the beginning of this section.
  2. Remove or disconnect the following:
    • Upper intake manifold (See: Upper Intake Manifold)
    • Fuel meter body
    • Injector retainer lock nuts (J) and retainer (K)
    NOTE: Use care in removing the fuel injectors to prevent damage to the electrical connector terminals. The fuel injector is serviced as a complete assembly only. Also since the injectors are electrical compartments, these injectors should not be immersed in any type of liquid solvent or cleaner as damage may occur. Fuel injector cleaning is not recommended.
  3. While pulling the fuel injector downward, push with a small tip punch down between the injector terminals until the injector is removed
To Install:
Note: When ordering new fuel injectors, be sure to order the correct injector for the application being serviced.
  1. Lubricate the NEW injector O-ring seals with clean engine oil
  2. Install or connect the following:
    • Fuel injector (L) into the fuel meter body injector socket
    • Retainer (K) and the injector retainer lock nuts (J) and tighten the nuts
      1. Torque to: 27 inch lbs. (3 Nm)
    • Fuel meter body
    • Upper intake manifold (See: Upper Intake Manifold)
  3. Test drive the vehicle to confirm the repairs

Jan 29, 2011 | 1996 Chevrolet S-10 Pickup

1 Answer

Replace fuel inj 2009 lincoln ls 3.9 eng


Check this procedure about V8 3.9L Fuel Injectors - Removal & Installation
  1. Before servicing the vehicle, please familiarize yourself with safety procedures.
  2. Relieve fuel system pressure.
  3. Remove or disconnect the following:
    Negative battery cable Engine appearance covers Fuel lines Fuel pressure regulator Fuel cross over elbow Fuel injector connectors Fuel injector clamping plates Fuel injectors
To install:
  1. Install or connect the following:
    Fuel injectors. Use new O-ring seals. Fuel injector clamping plates Fuel injector connectors Fuel cross over elbow Fuel pressure regulator Fuel lines Engine appearance covers Negative battery cable
  2. Start the engine and check for leaks.

  1. Before servicing the vehicle, please familiarize yourself with safety procedures.
  2. Disconnect the negative battery cable.
    CAUTION The engine appearance cover is equipped with a noise suppressor. If the noise suppressor becomes separated from the engine appearance cover it must be positioned on the intake manifold prior to installing the engine appearance cover.
  3. Remove the engine appearance cover and the noise suppressor, if detached.
  4. Remove the air cleaner outlet pipe.
  5. Release the fuel system pressure.
  6. Remove the four engine appearance cover mounting bracket nuts and the brackets.
  7. Disconnect the fuel pressure sensor electrical connector from the sensor.
  8. Disconnect the fuel pressure sensor vacuum connector from the sensor.
  9. Disconnect the eight fuel injector electrical connectors from the injectors.
  10. Disconnect the fuel temperature sensor electrical connector from the sensor.
  11. Disconnect the fuel supply tube retaining clip from the fuel injection supply manifold.
  12. Disconnect the fuel supply tube spring lock coupling.
  13. Remove the four bolts and the fuel injection supply manifold and fuel injectors as an assembly.
  14. Remove the fuel injectors from the fuel injection supply manifold.
    CAUTION Use O-ring seals that are made of special fuel-resistant material. Use of ordinary O-ring seals can cause the fuel system to leak. Do not reuse the O-ring seals.
  15. Remove and discard the 16 O-ring seals from the fuel injectors.

    zjlimited_467.jpg

    Fig. Exploded view of the fuel injector mounting-3.9L engine shown

To install:
  1. Lubricate the new fuel injector O-ring seals with clean engine oil before installing.
    CAUTION Use O-ring seals that are made of special fuel-resistant material. Use of ordinary O-rings can cause the fuel system to leak. Do not reuse the O-ring seals.
  2. Install sixteen new O-ring seals onto the fuel injectors. Lubricate the O-ring seals with clean engine oil prior to installation.
  3. Install the fuel injectors and clips onto the fuel rail.
  4. Install the fuel rail and injectors as an assembly. Tighten the fuel rail bolts to 89 inch lbs. (10 Nm).
  5. Install the remaining components in the reverse order of removal.

Keep us updated.

Jan 14, 2011 | 2002 Lincoln LS

1 Answer

How do i get to feul injectors


YOU HAVE TO RELIEVE FUEL SYSTEM PRESSURE.REMOVE THE INTAKE MANIFOLD COLLECTOR.REMOVE VACUUM HOSE FROM THE FUEL PRESSURE REGULATOR.REMOVE FUEL HOSES FROM THE FUEL RAIL.REMOVE FUEL RAIL BOLTS AND INJECTOR HARNESS CONNECTORS.REMOVE INJECTORS AND FUEL RAIL AS AN ASSEMBLY.REMOVE INJECTORS FROM RAIL BY PUSHING THEM OUT.REMOVE DISCARD FUEL INJECTORS ORINGS REPLACE WITH NEW ORINGS LUBRICATE NEW ORINGS WITH CLEAN ENGINE OIL.YOU HAVE TO BUY ORINGS FOR FUEL INJECTORS AT THE DEALERSHIP.BESURE TO TAKE OLD ORINGS SO WILL GET THE RIGHT SIZE ORINGS.

Mar 20, 2010 | 1997 Infiniti.5 J30

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