Question about 2003 Chevrolet Cavalier

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I have no fuel at the injectors 60 pounds at the line.

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  • christa guptill Dec 07, 2012

    the crank sensor was it.

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Are you getting power and a ground pulse from the computer ?

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I have 1997 Cadillac Deville 4.6 v8 Northstar 32 valve it has 90 pounds fuel pressure an it should have 40 to 50 pounds why is the fuel pressure so high?


Fuel pressure regulator . plugged fuel return line .

With the ignition switch ON and the fuel pump running, the fuel pressure indicated by the fuel pressure gage should be 333-376 kPa (48-55 psi).
The Fuel Pressure Check determines if the fuel system is providing fuel pressure. The components involved include the fuel tank, sending unit, pump, pipes and hoses, pressure regulator, fuel rail, and injectors. Also checked is the electrical operation of the fuel pump relay. This chart requires J 34730-1A , Fuel Pressure Gauge J 37287 , Inlet and Return Fuel Line Shut-off Adapters.

Feb 18, 2017 | Cadillac DeVille Cars & Trucks

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99 eldarodo, starts then bogs and emediately kills...why


sound like fuel check fuel pump the injectors have to have 60 pounds of presser to open right.

May 02, 2016 | Cars & Trucks

1 Answer

My fuel pressure goes to 60 pounds when the keys is turned on then starts dropping Is it my fuel pump or pressure regulator? 2004 GMC Yukon XL


Fuel pressure may drop due to a leaking injector or bad check valve in the fuel pump itself. The regulator does not come into effect until the engine is running and a vacuum supply is produced to it. If the regulator is leaking internally, it could send fuel back to the tank as well. Prime the fuel line and pinch off the return line ( if possible ) to eliminate a regulator problem. If the fuel pressure drops with the return line pinched off, suspect a leaking injector or fuel pump. If injector is leaking, the vehicle should run rich and cause a hard start/rough run condition

Jul 25, 2015 | 2004 GMC Yukon XL

1 Answer

A 1998 gmc Sierra driving down road at 60 and it just died replaced ignition module and in line fuel filter and now It won't even try's to start


Have you checked the fuel pressure? I think that the fuel pressure is between 55 or 60 pounds. They won't run under 52 pounds.

Mar 30, 2013 | Cars & Trucks

1 Answer

Is 7 pounds enough pressure to make it to the pressure regulator?


7 psi will make it from the fuel pump to the regulator but will not open the injectors. 30-60 psi is required.

Dec 19, 2011 | 1993 Mazda MX-6

1 Answer

The car has spark fuel is coming but the injectors cannot open permanent feed is there on one of the wires what can be my problem


You may not have enough fuel pressure. The pump can still work and be weak. I am not sure what your pressure is suposed to be but most are 40 to 60 pounds.

Jun 29, 2011 | 2001 Daewoo Lanos

1 Answer

Gas is leaking from my fuel rail (phlegm) on my number 5 fuel injector on my 1994 camaro


  • Park the Camaro on a flat, level surface and set the parking brake. Open the hood and secure it in place with the hood prop. Disconnect the negative battery cable.
  • Open the gas tank to relieve pressure on the fuel lines.
  • Remove the sight shield from the fuel injector with a socket wrench. Loosen the screws on the hose clamps and disconnect the fuel lines connected to the injectors. Keep a rag handy to catch any fuel that leaks.
  • Disconnect the vacuum hose and ignition coil wire, then unplug the electrical connectors. Remove the fuel injector mounting bolts, undo the retaining clips and remove the fuel injectors.
  • Put a thin coat of engine oil on the new fuel injector's O-ring. Place the O-ring in position, install the new fuel injectors and secure the retaining clips. Install the mounting bolts with a torque wrench set at seven pounds.
  • Plug the electrical connectors back into the fuel injectors. Reconnect the vacuum hose and ignition coil wire. Connect the fuel lines and tighten the hose clamps with a screwdriver to secure them in place. Bolt the sight shield in place with a socket wrench.
  • Place the gas cap back on. Reconnect the negative battery cable



  • Dec 06, 2010 | 1994 Chevrolet Camaro

    4 Answers

    What is the fuel pressure for a 1998 GMC Jimmy


    Hi!!

    The fuel system pressure for your Jimmy is 55-61 PSI (Pounds per Square Inch)

    Vent the fuel tank vapors by loosening the fuel cap. Position the ignition switch and the A/C system in theoff position. Install a fuel pressure gauge to the vehicles fuel pressure valve. Confirm that no leaks are present, and with the key ON, engine OFF verify the PSI reading on the gauge.

    Don't forget to rate this post!!

    Sep 03, 2010 | 1998 GMC Jimmy

    1 Answer

    95 sidekick, will start but will cut out within one minute,while it is running and I give it a shot of gas it will bog down and then quit.


    u have a weak fuel pump, i had the same problem in mine, the pressure running from you're fueld pump to the injectors should be around 45 to 60 pounds, mine only had 30, i would change the fuel pump and see how that does, if not the change the injectors

    Nov 28, 2009 | 1995 Suzuki Sidekick

    1 Answer

    91 Subaru will not start


    hi there have you tried sitting in car with doors shut turn ign on & listen for fuel pump priming up you will hear a buzzing noise for 5 secs then stops if you don't you will need to check wiring to see if there is power going to fuel pump & check earth wire might be black if you are getting power to these wires then its possible its the fuel pump if not you will need to inv it further (try fuses first).

    Jan 15, 2009 | 1991 Subaru Legacy

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