Question about 2000 Chevrolet Blazer

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Sounds like its not getting fuel to the engine,it has a full tank of gas and i checked all the fuses.

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If you think you have a fuel problem, try using some starting fluid and see if it will start. If it starts with the Starting Fluid, you have a fuel problem. If it doesn't start with the Starting Fluid, you may have an ignition fault.
If it is a fuel problem, try changing your Fuel Filter, and check the voltage going to your Fuel Pump. Also, check your fuel pump operation, does it come on when the key is turned to On?

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Posted on Mar 19, 2011


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My 2001 GMC Sierra just made a 600 mile trip. The next morning, the truck wouldn't start (full tank of gas). Replaced the fuel filter, banged on the gas tank. Tried to start the engine again, engine...

When your replaced the pump did you replace the fuel filter? You may have a fuel pump relay causing you some grief. I believe it is located in the engine compartment in the fuse center on the left inner fender. Check the relay and any related fuses. Check the electrical connection at the pump. They had problems with some of them and they would get kind of hot and distort and corrode. They have new updated ones that can be easily installed.

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My 2004 caviler had a lifter tick so i changed the oil and the next day it will not start. the starter cranks but the engine just doesnt start almost like its out of gas but i know its not

is the car getting any fuel, have you removed the black air duct that goe's to the throttle body, and then operate the throttle in an open position to see if you are getting any fuel, if no fuel is present, open up the gas door [ this is where you put gas into the tank , and remove the gas cap, and have someone, or yourself put your ear down toward the gas cap opening, and have someone to turn the ignition key on but not to try and start it, then listen to see if you hear a humming sound coming from the gas tank, if no sound, then check under the hood, on drivers side in a black box that contains fuses and relays, check to see if any fuses are blown, and also check the starter relay, and the fuel pump relay. if there is a humming sound coming from the gas tank opening, then, i would replace the fuel filter, this is only if you didn't get any fuel, and everything else checked out ok.

Mar 22, 2011 | 2004 Chevrolet Cavalier

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I shut the engine off. tried restarting, failed to do so, seems like not getting fuel. Is there a fuse for the fuel pump. It was on empty and I did add 1.5 ga gas

When you shut the engine off then it was not out of gas and there is a fuel fuse in the fuse panel and a fuse relay in the engine compartment. The fuse and relay box is always near the battery. It sounds like by the information I gathered so far is the fuel pump was sucking most of bottom gas which is always dirty gas and probably plugged the fuel filter. Make sure the to have someone listen if the fuel pump works by listening under the fuel tank while the ignition is turned on but not the starter.
1. Listen for a humming noise near the tank while someone turns the key on.
2. If the fuel pump makes is on then its your fuel filter.
3. If no sound then its your fuel pump. Start with the fuses then your relays and if they are all in working then its time to change your fuel pump.
( note: sometimes its just the way the car is sitting and tilting where all the fuel is unreachable for the pump and you might have to put more gas.) Hope this works. Cam

Oct 19, 2010 | 1997 Oldsmobile Aurora

3 Answers

How do you check if your fuel pump is bad without removing the gas tank

Put the key into the ignition and turn it to the second position. This position will light up the dash lights but will not crank the engine.
Listen for a faint or soft humming sound coming from the rear of the vehicle, specifically the gas tank. This will happen almost immediately after you turn the key to the second position, so you'll have to listen closely and be ready for it. The humming is the sound of the fuel pump priming, or pressurizing, the fuel system. If you do not hear this sound, you may have a faulty fuel pump.
  1. Check to make sure there is enough fuel in the gas tank. Although this may seem obvious, it happens to the best of us. If you're gas tank is near empty, the engine may not start. This happens more frequently in the winter time in cold climates; the low temperatures cause condensation to form on the inside of the gas tank. Since water doesn't burn, the fuel pump tries to draw in fuel and instead gets a mixture of water and gasoline and cannot get enough fuel to the engine for combustion.
    Check to see that the vehicle starts. Even if you don't hear the fuel pump priming, attempt to start the vehicle. If the engine won't turn over (start) and you haven't heard the fuel pump prime the system, it is a good indication that the fuel pump may have failed.

    Check the fuel pump fuse. If the fuse is blown, the fuel pump will not prime. Open the fuse box under the dash of your vehicle and locate the fuse for the fuel pump. Alternately, some vehicles locate the fuel pump fuse in a fuse box under the hood. Remove the fuse box cover (specific removal will vary according to the vehicle). Check the fuse to see if the metal strip inside the fuse has popped. Replace the fuse if the metal strip has popped; if it hasn't popped, it is most likely your fuel pump itself that has failed.

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Also, be sure to not over-fill the gas tank. When filling the tank, when it sounds full (you can hear gas gush up the filler neck) and when the filler clicks off the first time...don't be tempted to keep clicking more gas into the tank because over-filling can cause a variety of problems (including setting the light) and can eventually saturate/ruin the fuel vapor canisters.

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i have had the same problem and i found that it was the fuel pump causing the problem

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01Chevy 1500 2x4 4.3/Fuel Pump stopd start up noise.Truck nostart

get a scanner to check the code .it could be fuel pump or relay. to change fuel pump its not easy or hard . but dangerous. gasoline is main factor . if you got a full tank of gas .you have to safely remove gas and tank. you dont have to remove truck bed . you have to work under the truck . you have to support gas tank when removing the fuel pump.

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