Question about 2001 Nissan Xterra

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Fuel system won't start, no fuel line pressure

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Have somebody turn the key to the on position on the vehicle. stand at the back where the tank is. listen for a humming sound. if you do not hear this sound get your fuel pump replaced. and change your filter as well.

Posted on Aug 24, 2008

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Car won' start, battery is ok, antifreeze is low but not out could this be the problem?


No. it wouldn't keep it from starting. If the engine cranks but won't start, probably gas or spark (ignition) related. Do you hear the fuel pump in the tank turn on for a couple of seconds, when turning key to on, not start? If you cannot hear the pump, better check if you are getting gas up to the engine. Maybe the fuel pump quit, or the pump circuit needs looked at. The pump should briefly turn on with key on to pressurize the fuel system-the fuel line and the fuel rail where the injectors are. Then the pump will turn off, and only come back on again when the engine is cranking, and stay on when running.
Correct fuel pressure is important for easy starting, and good engine performance. Have the fuel pressure checked against the specification for your vehicle. If fuel pressure is good, check the ignition system-check for spark.

Dec 31, 2013 | Cars & Trucks

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1997 chevy k1500 won,t start cold starting fluid will start truck


I would check the fuel pump relay first. You should have some fuel pressure in the lines when you turn the key on. The relay is powered for 3 seconds to boost pressure until the engine starts.
The relay may not be working or the check valve in the pump may be letting fuel back into the tank which would cause the pressure to drop to zero when the engine is off. You should have at least 15psi with a TBI system and 35psi with MFI.

Sep 03, 2012 | 1993 GMC Sierra K1500

3 Answers

1988 toyota camry 2.0 turns over but won't start. Car has been driving like a champ and one morning wouldn't start. Turns over fine but won't fire. Tested for spark by removing spark plugs...


Fuel pressure at idle is normally 30-35psi. Start by taking the gas cap off, and putting it back on. That will De-pressurize the fuel system. Also, make sure you have gas in the car. I have seen gauges on these cars read wrong. I hope this helps.

Oct 05, 2011 | 1988 Toyota Camry

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Won't start after short trip like its vaper locked


STARTING / IDLING PROBLEMS / MISSING

Your problem may be one of the following:
First check or just replace the fuel filter. Usually located under the car in front of the rear axle, drivers side.
Next, the fuel pump may be worn out. Usually they just stop working (running).
Next, check the fuel pressure regulator. Usually located on the front fuel rail, drivers side.
Is the vacuum line attached? Not leaking or rotted?
Also, do you smell a strong fuel odor when it won't start? May be one or more stuck-open injectors, or the coil pack is bad.
Checking these in the order listed will more than likely fix your problem.
The clicking noise indicates the battery can no longer run the starter, which also means the fuel pump won't run either.

It could be a fuel issue. How old is the fuel filter? Can you hear the pump run for a few seconds when you turn the key on? Try turning the key to ON without trying to start engine three times waiting for the pump to stop running each time. Then try to start the engine. If it starts, Its a form of Vapor lock caused by the extreme heat we have had lately.

If none of this works, try a new fuel filter first. From there have someone check the fuel pressure regulator and then the pump. If you are in need of a new pump, take my word for it and spend the money to get one from FORD, and not from your favorite parts store. Most parts store parts are made in China and they are JUNK.

Have you hooked a scanner to the computer and checked the oxygen sensor(s)? If they are bad they could lean out the engine.

VAPOR LOCK
Check the following:
Cooling system working properly including fans.
Under hood fuel lines touching coolant or heater hoses.
Fuel lines under vehicle close to or not shielded from exhaust pipe, converter, muffler. Fuel lines pinched or crushed.
Fuel filter changed recently.
Fuel pump pressure.
Cheap(Bad) gas.

Aug 26, 2011 | 2003 Ford Taurus

1 Answer

1990 Taurus sta wgn 3.8. Sprayed starter fluid in EFI port, car started and ran for 5 sec, won't start again


Your limited information suggests that you're not getting fuel pressure to your system. Your use of the starter fluid suggests that you have been having starting problems. Can you describe what problems led you to this action? Based on what you've described, I would suggest checking your fuel pump, appropriate fuse(s), wiring connections, fuel lines and so on to make sure you are getting fuel under pressure in your system.

Aug 12, 2011 | 1990 Ford Taurus

1 Answer

2005 freestar, turn key on and fuel system won't pressurize. Spray a little starting fluid and van runs fine, system won't pressurize for initial start.


i would check the fuel filter if thats not it then it will most likely be the fuel pressure regulator make sure the vacuum line didnt fall off of it if that checks out then id say its your pump good luck i hope this helps

Jul 06, 2011 | 2005 Ford Freestar

1 Answer

1993 GMC Jimmy won't throttle up..changed fuel pump...sounds like fuel is running back into tank


Check fuel pressure regulator.Start engine hook fuel gauge to fuel line check pressure ready then pull the vacuum hose of the fuel regulator if pressure rises 5-10 psi then its good.

May 13, 2011 | 1993 GMC Jimmy

2 Answers

20000 grand am won;t start turns over but won;t


Well then if no pressure at fuel rail then go to pump and in line filter as the in line filter might be the main problem but the pump pressure can also be faulty if filter is bad so check it out and let me know how you get on. Ron

Nov 02, 2009 | 2000 Pontiac Grand Am GT

2 Answers

Car won,t start, getting fire from the module,gas is coming up to


have you checked the fuel pump, or the timing, or coil pack, or fuses?

Jan 09, 2009 | 1995 Buick Park Avenue

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