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Fuel meter - 2005 TVS Centra

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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...


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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

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How to replace injectors 1990 corvette



REMOVAL & INSTALLATION

See Figures 1, 2, 3 and 4
Before performing any service on the front or rear TBI unit, you must place the unit in a suitable holding fixture such as J-9789-118, BT-30-15, or equivalent. If you dont place the unit in a suitable fixture, the throttle valve may be damaged.

  1. Disconnect the negative battery cable.
  2. Remove the TBI unit from the vehicle, and place it in a suitable holding fixture.
  3. Remove the fuel meter cover, as follows:
    1. Remove the 5 fuel meter cover attaching screws and lockwashers.




0900c1528008fe62.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 1: Exploded view of the fuel meter cover attachment

  1. Lift off the fuel meter cover with the fuel pressure regulator (rear unit) or accumulator (front unit), noting their positions for reassembly.
  2. Remove and discard the fuel outlet passage only. Leave the fuel meter cover gasket on the fuel meter body.


CAUTION Do NOT remove the 4 screws securing the fuel pressure regulator or accumulator to the fuel meter cover. The regulator or accumulator includes a large spring under heavy compression which, if accidentally released, could cause personal injury. The fuel meter cover is serviced as a complete assembly only. On the rear unit, the fuel meter cover includes the fuel pressure regulator which was calibrated and plugged at the factory.


0900c1528008fe63.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 2: Bottom view of the front and rear fuel meter covers
Do not immerse the fuel meter cover (with the pressure regulator or accumulator) in any type of cleaner. Immersion will damage the internal diaphragms and gaskets.

  1. Remove the foam pressure regulator sealing ring (dust seal) from the rear throttle body.

When removing the injector, be careful to avoid damaging the electrical terminals on top of the injector, injector fuel filter and nozzle. Do NOT use pliers to remove the injector, as this could cause damage. The injector cannot be disassembled and is serviced as a complete assembly only. As it is an electrical component, it should not be submerged in any type of cleaner.
  1. With the fuel meter cover gasket in place to protect the casting, use a suitable prytool and a fulcrum, as shown in the accompanying figure, to carefully lift the injector until to is free from the fuel meter body.



0900c1528008fe64.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 3: Carefully pry the fuel injector out of the fuel meter body

  1. Remove the injector. If removing both injectors, make sure to mark them front and rear, so they can be reinstalled in the proper position. The injectors are NOT interchangeable and cannot be switched during installation.
  2. Carefully rotate the injector fuel filter back and forth, then remove the filter from the base of the injector.
  3. Remove and discard the fuel meter cover gasket.
  4. Remove the large O-ring and steel back-up washer in the top counterbore of the fuel meter body injector cavity. Remove the small O-ring located at the bottom of the injector cavity.

Oct 29, 2010 | 1990 Chevrolet Corvette

1 Answer

How toreplace fuel injector chevy astro 1999


Removal & Installation

  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Relieve the fuel system pressure. Refer to the fuel system relief procedure in this section.
  3. Remove engine cover.
  4. Disconnect negative battery cable.
  5. Remove upper manifold assembly.
  6. Disconnect fuel meter body electrical connection and the fuel feed and return hoses from the engine fuel pipes.
  7. Remove poppet nozzle out of the casting socket by squeezing the nozzle locking tabs together.
  8. Remove fuel meter body by releasing the locktabs.
    NOTE Each injector is calibrated. When replacing the fuel injectors, be sure to replace it with the correct injector.
  9. Remove lower hold-down plate and nuts.
  10. While pulling the poppet nozzle tube downward, push with a small prytool down between the injector terminals and remove the injectors.

    0996b43f8022cb96.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Exploded view of the fuel meter assembly, including the injectors

To install:
  1. Lubricate the new injector O-ring seats with engine oil.
  2. Install o-rings on the injector.
  3. Install fuel injector into the fuel meter body injector socket.
  4. Install lower hold-down plate and nuts. Torque the nuts to 27 inch lbs. (3 Nm).
  5. Install fuel meter body assembly into the intake manifold. Torque the fuel meter bracket retainer bolts to 88 inch. lbs. (10 Nm).
    CAUTION To reduce the risk of fire or injury ensure that the poppet nozzles are properly seated and locked in their casting sockets.
  6. Install fuel meter body into the bracket and lock all the tabs in place.
  7. Install poppet nozzles into the casting sockets.
  8. Engage electrical connections.
  9. Install new o-ring seals on the fuel return and feed hoses.
  10. Connect fuel feed and return hoses and tighten the fuel pipe nuts to 22 ft. lbs. (30 Nm).
  11. Connect negative battery cable.
  12. Turn the ignition ON for 2 seconds and then turn it OFF for 10 seconds. Again turn the ignition ON and check for leaks.
  13. Install the engine cover.

Jan 20, 2010 | 1999 Chevrolet Astro

1 Answer

INSTRUCTIONS TO INSTALL FUEL PUMP ON 1989 CORVETTE


REMOVAL
  1. Relieve fuel system pressure.
  2. Disconnect battery ground cable.
  3. Remove fuel filler door.
  4. Remove fuel cap.
  5. Remove fuel tank filler neck housing and disconnect drain hose.
  6. Remove screws attaching fuel meter/fuel pump to tank.
  7. Disconnect fuel lines, fuel vapor line and electrical connector.
  8. Remove fuel meter/fuel pump and gasket.
  9. Replace fuel pump.
INSTALLATION
  1. Reverse procedure to install.

Jul 27, 2009 | 1989 Chevrolet Corvette

3 Answers

What does computer code p1131 manufacturing control fuel air metering mean


Code p1131 manufacturer control fuel air metering, on a 2003 Ford Taurus. Where is part? Is there an easy way to see if it can be fixed without buying the expensive part?

Apr 27, 2009 | Ford Explorer Cars & Trucks

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