Disconnect the fuel line at the filter, wrap in cloth and put a jar over it. Activate the fuel pump and see if there is flow. Just because the fuel pump whines does not mean it is pumping fuel. I have seen the impellers and seals fail but the motor work, especially after running out of gas when ethanol enhanced gas was used. If there is flow, Follow the lines up to the engine, paying close attention to the jacking areas. I have seen garages crush fuel lines under the car with their floor jacks. If that's all OK, locate the rubber section of the return line between the engine and firewall. Working from underneath, up, it's the second largest line under the car. Pinch off the rubber line and try starting the car. If it starts and runs, replace the fuel pressure regulator which is stuck open.
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Re: not getting gas
With a fuel gauge, check for fuel pressure at fuel rail. make sure there is at least 35 psi. if no pressure, check for poewer/ ground at fuel pump plug. There should be power at the pink wire when key is turned to the on position. If there is power/ground, replce fuel pump. If no power, check fuses, pump relay and innertia switch(located in trunk). If pooped up, resset switch by pressing down on red bottom.
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Assuming fuel pump was in gas tank unless older vehicle, in front of gas tank under the car will be a fuel filter...canister shaped..like a miniature coke can...has one line coming from gas tank, one coming from front of filter to engine, will either have lines that thread into filter or plastic clips you remove and take lines off..take filter off and dump into a clear bottle, if gas is dirty or has trash you prob need to replace fuel fiter..also you should be able to blow through the filter without virtually any resistance..if its not similar to blowing through a straw..filter is clogged..also you can just take fuel line off in front of filter...have someone turn the key to on position...when you turn key to on not crank just on..fuel pump powers on for a couple seconds and if filter isn't clogged you should have fuel come out the front side of fuel filter
find the filter pull it off and clean it if u cant clean it replace it they usally are cheap on older vehicles but with the filter off turn the car have someone turn the car to the on position so the pump is pumping and see how good it is coming out of the line if not very good then your gas tank line to the fuel filter is clogged but if its fine check the next fuel line the one on the fuel rail there is a bolt on the fuel rail crack it open and have someone turn the key if gas comes out then you are getting fuel and that would mean your injectors are bad
the fuel pump is only designed to run until it reaches a preset pressure. once it reaches that pressure it turns off. One way I know to check it without dropping the tank is to remove the fuel filter. Put the fuel line in a gas can so you don't get gas all over. turn the key on if the pump keeps pumping fuel then it's not the problem. at that point I would buy a new fuel filter because it may be clogged and the reason no fuel is getting to the engine and they are inexpensive and a good idea to keep changed anyway.
i would think if it were the relay you wouldn't hear the pump come on. I would unhook the fuel line just past the fuel filter. turn the key on long enough to see if the pump is pumping and is it getting past the filter. if it is you can rule out a possible clogged filter and you know the pump is pumping. I would then start looking for a clog. or locate the relay take it to the part store and get a new one. the problem is the relay only relays electrical signal to the pump that turns it on and off etc it doesn't tell it to pump or not pump gas so if you can hear it running it's not the relay
more than likely a clogged fuel filter[hopefully] if not that lets try this before you do anything.turn your key to the 'on' position can you hear a slight hum coming from the fuel pump in the gas tank under the rear of your car. it may take 2 people. one to turn the key on and one to listen at the rear of the car.try this several times to see if you hear the hum. if you hear the hum,the fuel pumps working. and then you know it's most likely a clogged fuel filter.if no hum heard,go under your hood to the main engine fuse box[black box] take the cover off of it. on the underside of lid,look for fuel pump relay,replace that relay with new one.if it's a fuse,replace the fuse. if this does'nt repair your problem,the fuel pump has went bad and in need of replacement.the pump is located inside the gas tank. the gas tank will have to come down and out in order to replace the bad fuel pump.try these solutions to see if they help,if you need further assistance,please repost your question to fixya.com and thank you for choosing fixya.com wish you the very best of luck!
After you fill the tank, turn the key on and wait 10-15 sec before turning the key to start. Do not pump the gas pedal. The pump should come on with the key and it will pressurize the fuel line to the engine. If it is not starting you may have a clogged fuel filter. When a tank goes empty it can stir up debris in the tank and get into the filter which will lead to a clogged line!
Careful doing this. Disconnect the fuel filter line between the tank and the filter. Have a bucket or equivalent below to catch incomimg gasoline pouring out. Have some one turn the ignition key to on. Do Not Try and turn the key to START!! Just turn the key to the ON position. This will kick in the oil switch to feed gas to the engine for 5 seconds. If gas comes out the pump works. Reconnect the filter and try again. If no start is happening still disconnect the fuel filter's line towards the front of the engine this time. Turn the key ON. If gas comes out the filter is fine. If not the filter is clogged up fully
If you had a strong stream of gas shooting out then you may have an fuel injector problem. Possibly a clogged injector or bad injector.If the stream of gas was weak replace fuel filter first and test again.If problem persists check pump fuse then replace pump. sorry for miss reading your post.