Question about 1999 Suzuki Vitara

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Takes 2 short trys to start 2000 Grand Vitara feels like the gas has drained back to the tank is there a valve to hold pressure in the rail after you shut down the engine?

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You may just have bad fuel. Put a bottle fuel system cleaner first.

Posted on Jun 26, 2009

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How do I drain the fuel tank


I can tell you several things and will add a few things because I do not know why you want to drain the tank.
A Part called an Inertia switch will interrupt the power to the fuel pump if it is tripped. It has a Reset button and depending on your Year Grand Marquis, the part is in the trunk next to the Air suspension. Your pump may be good.
Clogged fuel pump. There is a plastic screen which is on the fuel pump pick-up. It can disintegrate and clog the pump. Blow air into the fuel rail test port to shed the screen fragments back into the tank. Then try the next paragraph.
Working pump with Low pressure. You can remove 2 things to pump out the gas.through the fuel rail. The test port on the fuel rail has a valve similar to an air valve stem. Removal of the valve seat from the test port allows you an open line to drain the tank.
Go on the internet and find the procedures for jumping the fuel pump relay switch. The relay is in a black box which is piggy-backed on a Powerbox on the Drivers side of the engine compartment. The top of the piggy-back has 3 relays and a diode labeled and the trio slide out of the compartment by releasing some retaining snaps protruding out of the case.
If you look under the relay there will be numbers by the contacts. I want to say that #27 and #34 are the two to be jumped. I may have the wrong numbers or your Year car may be different.
One pin is a power source-the other goes directly to the fuel pump. With the ignition ON, placing a wire between these two contact holes will power your fuel pump.
Have a hose clamped on the fuel rail test port which you removed the needle seat from and put the hose end into a gas can.
I pumped close to 17 gallons of fuel from my 2002 Grand Marquis in a short time.
The gas tanks have baffles. I tried 3 different hose sizes and could not get one to pass the baffles. The fuel filter disconnect can be a problem, especially with fuel pressure. So the easiest way to drain the fuel is through the test port.
You can also siphon through the port with a hand drawn pump.
Please rate my info.

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1 Answer

2000 DODGE CARAVAN SE HARD TO START JUST SPINS AND FINALLY STARTS IF YOU PUSH ON GAS PEDAL STARTS FASTER


bring this to a service repair center an have a fuel pressure gauge hooked up to it..it sounds like the check valve in the fuel system is allowing the gas to drain back into the fuel tank, when u press the gas pedal it commands the fuel pump to pump extra gas into the system filling the fuel rails back up with fuel allowing it to start faster....

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1 Answer

Hard to start when cold once the engine is started it will start fine this only happens after it sits overnite


The most likely cause is the fuel pump unit. The fuel pmp has a check valve that is supposed to hold fuel pressure on the fuel rails after the engine is shut off. when this check valve leaks, it allows the fuel from the fuel tank to drain back into the tank. Then, when you go to start uour car, the fuel has to travel the full length of the car, and build up enough pressure to spray through the injectors before the engine will start.

The fuel pressure regulator can cause similar symptoms, but is not as likely to fail as the check valve in the fuel pump and will be much worse after a short hot-soak. (Shutting the engine off hot - for about 5 to15 minutes)

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My 2002 pontiac grand am lately has been turning over, but won't fire up. then randomly a while later, it starts up fine. the security light doesn't blink when the key is in the ignition. what are my...


The most likely cause is the fuel pump unit. The fuel pmp has a check valve that is supposed to hold fuel pressure on the fuel rails after the engine is shut off. when this check valve leaks, it allows the fuel from the fuel tank to drain back into the tank. Then, when you go to start uour car, the fuel has to travel the full length of the car, and build up enough pressure to spray through the injectors before the engine will start.

The fuel pressure regulator can cause similar symptoms, but is not as likely to fail as the check valve in the fuel pump and will be much worse after a short hot-soak. (Shutting the engine off hot - for about 5 to15 minutes)

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1 Answer

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It may be a fuel pump to know for sure you would rent a tester to test fuel rail pressure after installing the gauge you turn the key on then off after 2 seconds look at the pressure should be 40 to 50 psi and should hold to 20 psi for one minute, if it does not hold the check valve in the pump is bad allowing the fuel to drain back into the tank. Shucks and AutoZone will rent the tool to you then give you your money back as long as you don't damage the tool and buy parts from them, also replace fuel sock at the same time.

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1 Answer

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the fuel pump has a fuel pressure check valve in it, if this fails/sticks open the pump still pumps ok but the fuel drains back into the fuel tank in a very short time and creates the hard start issue you have described.

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1 Answer

Suzuki grand vitara 2000 model the engine light blinks


Take your rig.. drive it to a gas station.. fill the tank up with gas.. also fill 2 jugs of gasoline at the same time... put the jugs in the back of it.. now drive as far as you can until the rig runs out of gas.. then, take the two jugs of gas.. pour it all over the rig, inside and out.. now light it a-blaze, then walk to your nearest car dealer and buy a new car..

Mar 19, 2009 | 2000 Suzuki Grand Vitara

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