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WHERE IS THE FUEL RAIL? - 2004 Chevrolet Cavalier

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If you are looking at the engine,It is located right in front of the intake manifold,It will be attached to the 4 fuel injectors.

Posted on Jan 07, 2009

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On top of the motor with the intake. should be a chrome rail with the injectors plugged into it

Posted on Jan 07, 2009

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Fuel rail pressure sensor high voltage. P0193


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Not getting fuel to fuel rail


check whether fuel is coming from fuel pump to fuel filter ,then from fuel filter to the fuel rail. Confirm if fuel pump is working and fuel filter is not blogged.For fuel rail see whether the fuel pressure regulator is working. See also where the fuel hose connected with fuel rail has a bolt and remove it and see if it is having any dirt.

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Fuel Line connection into the Injector fuel rail leak, need parts to fix which is likely a new injector fuel rail. Any help?


Hi,
I would advise you to visit a local auto store and ask them to check parts out for you. Some fuel rail branches are sealed with an 'O' ring, which may or may not entail removing the fuel rail. I doubt if a new fuel rail would be needed, However, all manufacturers have different ideas on such a basic fitting.

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1 Answer

How to replace fuel injectors


disconnect the battery depressurize the fuel rail from the test port schrader valve unplug the injector clips one at a time marking them from front of engine # 1 - # 6 at rear of engine unbolt the fuel rail from the intake gently wiggle the fuel rail while pulling it up the injectors will stay in the fuel rail undo the clips on the rail holding the injectors to it changing them all greasing the o-rings on top and bottom of injectors install the fuel rail and injectors back on engine plug them in reconnect battery cycle key on and off a few times bleed air out of fuel rail and your done this is for the 4.0 engine as you did not specify what you have . the v8 engine is similar hope this helps

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1 Answer

Replace fuel injector


The procedure to replace the fuel injector in Buick Lesabre Is as follows:-- 1) you will require a ordinary flat screwdriver, a needle nose pliers, a 10 mm socket, 6" extension and 1/4" ratchet. 2) First of all take the engine cover out then pinch the fuel rail connecting fittings at the base and lift off the two hoses. Note:-- Do this when your engine is cold. 3) Then bleed off the pressure in the fuel rail first. Take care you don't damage the fuel rail while bleeding the fuel pressure because a new one will cost over $ 200. 4) Loosen and remove the four nuts holding down the fuel rail. Disconnect all six electrical connectors to each injector. 5) Carefully lift up the fuel rail. Pry off the clip holding the top of the injector to the fuel rail. Pull the injector out of the fuel rail and then out of the intake manifold. 6) Install the new injectors and replace top and bottom o-rings. Reassemble and check for any fuel leaks. Thanks.

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1 Answer

How do you install injectors in a chevy s-10 pick-up?


Removal & Installation

8205896.gif
Exploded view of the fuel rail and injector mounting


Take care when servicing the fuel rail assembly to prevent dirt or contaminants from entering the fuel system. ALL openings in the fuel lines and passages should be capped or plugged while disconnected.
  1. Before disassembly, clean the fuel rail assembly with a spray type cleaner such as AC Delco® X-30A, or equivalent. After removal, DO NOT immerse the fuel rail in liquid solvent.
  2. Properly relieve the fuel system pressure and disconnect the negative battery cable.
  3. Remove the air intake duct, as necessary for access.
  4. Tag and disengage the fuel injector electrical connectors.
  5. Disengage the fuel pressure regulator vacuum line, then tag and disengage all other necessary vacuum hoses.
  6. Loosen and remove the fuel rail retaining bolts.
  7. If necessary to remove the fuel rail assembly completely from the engine compartment, or to prevent stressing and damaging the fuel lines, disconnect the fuel lines from the rail assembly.
  8. Carefully lift the fuel rail assembly and fuel injectors from the intake.
  9. Carefully release and separate the fuel injectors from the rail assembly.
  10. Remove and discard ALL old O-rings from the fuel injectors and, if disconnected, the fuel lines.
To install:
  1. Lightly coat the new O-rings with clean engine oil, then position them to the injectors and, if applicable, fuel fittings.
  2. Install the injectors to the fuel rail assembly.
  3. Carefully install the fuel rail and injectors to the intake manifold. Make sure the injectors are properly seated in their bores, but DO NOT force them into position.
  4. Install and tighten the rail retaining bolts to 62 inch lbs. (7 Nm).
  5. If removed, connect the fuel lines to the rail assembly and secure the fittings.
  6. Engage the fuel pressure regulator and any other vacuum lines, as noted during removal.
  7. Engage the injector electrical connectors.
  8. Connect the negative battery cable and cycle the ignition switch (without attempting to start the engine) in order to pressurize the fuel system, then check for leaks.
  9. Install the air intake duct.

Apr 25, 2010 | 1992 Chevrolet S-10

2 Answers

After removing the fuel injectors and rail to remove the manifold, how do you reinstall the fuel injectors?


the same way you took it apart. put a little grease around the rubber seals so they will slide in easier. just tap on the fuel rail while lightly tapping it into place.

Mar 28, 2010 | 2002 Honda Passport

1 Answer

Location of fuel regulator on a 2006 nissan 1.8s. i have the replacement part but cannot find it on the fuel rail.


The fuel pressure regulator will be on the fuel rail. This is a long rail that connects to each fuel injector. On the sentra, the fuel rail will be behind the valve cover on top of the intake manifold.

Dec 01, 2009 | Nissan Sentra Cars & Trucks

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