Question about 2004 Pontiac Grand Am

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Have a 2004 grand Android v6 replaced fuel pump Android fuel filter. The next thing must be the fuel pressure regulator were is it Android were do I check the pressure at Android were is the fuel rail thanks

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  • Pontiac Master
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The fuel test port is right behind the power steering pump. You will see a black plastic cap right behind one of the power steering lines. Remove the cap and you will see the schreader valve.

The fuel pressure regulator is on the drivers side of the engine next to the throttle body right where the throttle cable is attached. there will be a vacuum hose on the top of it a steel line coming out of the bottom and there will be a single bolt holding it to the fuel rail. Remove the vacuum hose from the top, start the engine, and see if fuel comes out. If it does than the regulator is leaking and needs to be replaced.

Posted on Feb 10, 2012

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SOURCE: 2004 GRAND AM V6, CAR WILL TURN OVER BUT NO START,

if theft light flashing went on start have theft system check. if not flashing poss ignition module starting to go bad, or cranksenor.

Posted on Nov 04, 2009

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3 Answers

I have a 2004 grand am. the motor turns over but wont start. I changed the fuel pump, the ignition is good, fuses are all good but it will not start


first check the fuel filter. check before and after the filter if you get fuel before it then check after it, no fuel before go back to the pump. if you get fuel after then go to the fuel rail on the motor. open the line before the pressure regulator, if you get fuel then check after the regulator, if none after then the regulator is bad, if the regulator is vacuum assisted check your vacuum.

Apr 17, 2014 | 2004 Pontiac Grand Prix

1 Answer

My fuel pump on my 99 cougar v6 only runs for a half second then shuts off I've replaced the filter , the pressure regulator valve , the pump and it still does the same thing . could I have a ecm prob


Generally, the computer only runs the pump long enough to start the engine and build oil pressure. After that, the oil pressure switch keeps the pump on, most of the time by supplying a ground to the fuel pump relay. This is a built in safety thing, when the engine isn't running, the fuel pump shuts off. Most public libraries have Chilton's manuals, or you could pick up a Hayne's manual at a store like Autozone. These books can help you locate the relay and oil pressure switch, as well as provide wire colors for your specific vehicle.

Nov 13, 2011 | Cars & Trucks

1 Answer

Starting car is problem. it will start after maybe two trys. i have tried engine cleaner, but still it is slow starting,. battery is good, thats been checked.


When you have an engine that is hard to start or the engine takes longer than normal to start, with a fuel injected engine it will normally be caused by a fuel problem. Another problem would be slow cranking of the engine because of a low battery, I would check all of the fuel related problems if the engine seems to crank normally. There are a few things to check. First pull the fuel filter off and wipe it off so you don't get gas in your mouth and try to blow through one of the fuel connections on the filter. If you can't blow through it the filter is pluged and needs to be replaced. A plugged fuel filter can cause hard starting and can also damage your fuel pump. The next thing to do when everything is put back on the car is to check the fuel system for bleed down. You need to locate the fuel pressure test connection on the engine. Connect a fuel pressure gauge to the connection and start the engine, then turn the ignition off. With the engine off the pressure should read and stay between 30psi and 40psi, to be sure of the pressure you will have get the spec's on the engine you have. The main thing you will be looking for is to make sure the pressure doesn't start bleeding down in to direction of zero after a few minutes or maybe even immediately. If you see the pressure start to bleed down you have a problem. There are two problems that normally cause the pressure to bleed down. One is a bad check valve in the fuel pump, the other is a bad fuel pressure regulator. The main thing that happens with a fuel pressure regulator is the diaphram inside starts leaking. When that happens sometimes it will leak fuel into the intake manifold through the vaccuum hose connection to the intake manifold. To check for a fuel leak through the vacuum hose connection, locate the vacuum hose on the fuel pressure regulator and pull the hose from either the manifold connection or from the connection at the fuel reguator. If you see any gas at all the fuel regulator is leaking and must be replaced. If it is a slow leak from the regulator you might have to start the engine with the vacuum hose disconnected and look for a leak from the hose. If you don't find anything wrong with the regulator the next problem area would be fuel pressure bleeding back into the gas tank because of a bad check valve in the fuel pump. If this is the problem the fuel pump would have to be replaced. My first guess as to what is causing your problem would be the fuel pressure regualtor although I would definately want to make sure the fuel filter is not plugged. (Please Note) The fuel pressure regulator is located in the intake manifold area of the engine. The fuel pump is located in the gas tank. The fuel filter is located usually somewhere under the car.

Aug 24, 2010 | 2001 Pontiac Grand Am SE

1 Answer

What makes a car stop while driving but starts


Fuel pressure loss is the usual cause. Check your fuel pressure. This can be caused by a plugged fuel filter or a faulty fuel pump. The next thing to check is your fuel pressure regulator

Jan 19, 2010 | 1997 Pontiac Grand Prix

1 Answer

2004 GRAND AM V6, CAR WILL TURN OVER BUT NO START, THEN SOMETIMES IT WILL START NO PROBLEM, JUST REPLACED FEUL PUMP,FILTER, AND PRESSURE REGULATOR


if theft light flashing went on start have theft system check. if not flashing poss ignition module starting to go bad, or cranksenor.

Nov 04, 2009 | 2005 Pontiac Grand Am

1 Answer

1994 Dodge Grand Caravan 3.0 V6 Runs fine for about 10 min after that engine bogs down like it is not getting gas. I have replaced the fuel filter, map sencor, and fuel pressure regulator as was suggested...


Have you put a pressure gauge on and then drive to see if pressure drops. If it does it is likely the pump. Sometimes these problems lead to it being the computer.

Sep 16, 2009 | 1994 Dodge Caravan

1 Answer

I put a new fuel pump in and still wont start


ok if the fuel pump is energizing and you can hear it turn on then the pump is working fine and you probably have a restriction. i would replace the fuel filter. when you replace the pump did you replace the strainer on the pump? if not then thats where your problem lies. also could be the fuel pressure regulator also. there is a schrader port on the fuel rail try taking a pen and press down on the core to see if fuel squirts out. or connect a fuel pressure guage to the port and see if you have the right fuel pressure. it should run between 35 and 47 psi

Aug 09, 2009 | 2004 Pontiac Grand Am

1 Answer

How to replace a fuel pressure regulator


Is it the 3400 v6 or the 2.2l four cylinder? If it the v6 then what you have to do is first know where it is. It located on the end of your fuel rail on the driver side of the car. There will be a plastic hose coming off the top of the regulator, unplug it. You then have to undo your fuel line that runs into the bottom of the regulator. You have to use a wrench to get it off, not sure what size it is. Once you undo the fuel line the next step is to unbolt it from the fuel rail. There will be two screws that run in the side of the fuel pressure regulator that are facing the driver side of the car and are threaded in towards the passenger side of the car, just undo those two screws and the regulator should come off. Just repeat the process backwards to put it back on.

Dec 09, 2008 | 2004 Pontiac Grand Am

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