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Make sure you have power to the fuel pump. On this model you should hear a quiet high pitched mosquito in your ear sound when you have all the lights on the dash panel just before you turnover the engine. If push comes to shove, take the fuel pump out, keep the power on it and run it through a bucket to see if you can at least pump water through it. Make sure you let it dry out all the way though before placing back in the tank.
Overtime, JeepGrandCherokee fuel tanks develop rust and accumulate sediment. This is especially true if the tank sits empty for a period of time. Rust and sediment can break loose and cause clogged filters. When the filter is clogged, the engine does not receive the amount of fuel required to operate. The fuel tank can be cleaned out; however, replacing the tank is easier.
1 Apply the parking brake.
2 Remove the gas cap.
3 Remove the fuel pump relay from the power distribution center under the hood. Look at the underside of the power distribution cover, and locate the fuel pump relay.
4 Attempt to start the engine, cranking the engine for several seconds.
5 Turn the ignition to "Off." Install the fuel pump relay.
6 Disconnect the negative cable from the battery.
7 Lift the fuel tank into position, using the jack.
8 Attach the fuel filler hose and vapor return hose to the fuel tank.Tighten the clamps with a Phillips screwdriver.
9 Pivot the fuel tank retaining straps into position. Tighten the fuel tank retaining strap nuts with a socket and ratchet. Lower the jack.
10 Connect the fuel pump electrical connector, the fuel filter line and the fuel return line. Push the fuel line retainer into the chassis.
11 Raise the heat shield. Install the mounting bolts. Tighten the mounting bolts with a socket and ratchet.
12 Install the tow hooks or trailer hitch, if equipped.
13 Lift the skid plate into position with the jack. Tighten the skid plate mounting bolts with a socket and ratchet.
14 Attach the electrical service connector to the bumper with a socket and ratchet.
15 Raise the jack and remove the jack stands. Slowly, lower the vehicle.
16 Pour the fuel into the gas tank. Connect the negative battery cable.
Sounds like your not getting any fuel..Listen for the fuel pump,by removing gas cap and put your ear up to it..cycle the key without starting it and listen for the pump..sometimes you can beat on the bottom of the tank and it will jarr the pump and it will start running again..Not a fix but a conformation
Best way to fix it when you run out of gas is this. Because you ran out of gas, means your fuel filter is out. When you run out of gas, you end of getting like a air blockage in the line. Now, professional way is to take fuel filter off and fill with gas and put back on, BUT i will tell you a back yard mechanic secret way. Is get a can of starting fluid ( you can get at any auto parts store) and while someone is in side the Pickup, have them ready to turn the key. You are outside with the hood up, and you will be spraying a little bit of the starting fluid in the air intake of directly in carb area ( if carborated) but just spray into air intake. Have them crank the engine, at same time you will spray starter fluid in air intake, just a couple of quick sprays. You will notice it will start and maybe die again. That is normal, you might have to do this a couple times to get things flowing. HOWEVER, what normally happens when you run out of gas, the fuel filter picks up all that junk that has been gathered in the bottom of fuel tank and it has clogged your filter. FOR SURE, if you replace your fuel filter, it will solve this problem. Thank You, and I hoped this helped you.
If you dont hear the fuel pump it either is not getting power or the pump is not working.Sometime you can use your fist and hit plastic fuel tank and get ti to come on..Remember the fuel relay will only let the pump run 2 to 5 seconds if the engine dosent start
If the truck turns over, but will not start. The most common problem is the fuel pump. When you turn the key to the ON position, you should hear the fuel pump run for about 2 seconds. You may have to open the gas cap to hear it. If you can't hear it with the gas cap off, then that is going to be your problem. They are in the top of the fuel tank. And they are not real easy to change. You either have to drop the fuel tank or take the bed off. I personally take the bed off. It is a lot easier if you have a couple of people to help you. Dropping the tank is no fun at all. Plus it makes getting the ring that holds the fuel pump in a lot more difficult to get off. If this helps you please rate by checking the 4 thumbs up! Thanks for using Fixya.com
Put the key into the ignition and turn it to the second position. Thisposition 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.
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.
I had the same problem. I had a few different mechanics tell me that the fuel pump is starting to go out when it does that. The fuel pump is located in the fuel tank, and the gasoline keeps the pump cool and lubricated. When the fuel tank is less than a 1/4 full, the pump is not submerged anymore, and can have trouble sending gas to the engine. My emergency fix was to get underneath the car on the driver's side and bang on the gas tank about three times. It will start up, and will run great unless you turn your engine off. But eventually you're going to need a new fuel pump. Once I replaced it, the problem went away.