How do I know if it's my fuel pump or the fuel filter
I have dummy written on my forehead. I'm stuck trying to make sure a mechanic isn't taking advantage of me. I have gotten 3 guestimates as to what's wrong it's just that they all say that if it truly was the fuel pump it should have given me some type of warning. Which it didn't. My son (14yrs old) was sitting in the car with it running while i ran into the store. When i came out the radio & everything was still on, but i could tell the car wasn't actually running. my son said he didn't turn it off. when i tried to start it, it wouldn't start. i checked the battery, starter, & it so happened i had a full tank of gas.. how can i verify that it's my fuel pump?
You can check for power to the fuel pump, but that will require some disassembly to get at it. It's certainly not a fuel filter as I have never seen one on a modern vehicle get so clogged as to cause a no-start situation. You can attempt to listen when you put the key in the ignition and turn it to the "Drive" position -- the fuel pump relay will energize the pump and it will run for a few seconds to pressurize the system. If you don't hear this, either the fuel pump or the relay is bad. And it's not true that a bad fuel pump would "give you some warning." When they go, they go, and they won't necessarily extend you the courtesy of acting up before they stop working.
I had simular problem took me a week to figure out. Thought the same thing fuel pump pulled line off to relive pressure let it drain hook back up try to crank it up un hook fuel line if line has pressure fuel pump good. Ended up being the ignition coil. This is an internal coil that is located inside the distributer cap. Got the part at Auto Zone fixed it myself. hope this helps and not to late.
to rull out fuelpump take gas cap off put your ear close to opening ,have someone turn key switch on and off 3 or4 times if you hear a buzzing sound not f.p if no sound a bad f.p. also check ecm fuse in fuse box.
Did the car start and then shut off?
Did the car start and run for a few seconds and then turn off?
I am having the same problem. I changed the fuel pump twice.My son said that fuel filters don't get clogged.So i would think it would be the fuel pump.
same sort of thing is happening with my car everything was running well no sign that there was anything wrong with the car then when i stopped at a set of traffic lights the car just started to splutter and die and i cant get it restarted for the life of me it's currently sitting on the side of the road near where it died would appreciate any advice on what could be causing this problem thanks
Hey Mick, it is most likely the fuel pump. The fuel pump will sometimes allow you to be driving and will keep going until the RPMs drop and it starts to idle it will die because the pump wasn't working it was the pressure that was allowing you to keep going but when you stop and start idling it will die because the pump stopped and the pressure died as well. I hope this helped.
i pulled my fuel filter off and brackish brown fluid came out of the lines and the filter. does this mean i need to replace my filter or should i put it back on and try to start the truck?
Your son is wrong fuel filters get clogged. The answer to the other question is yes the fuel should be a clear green/yellow color, the black brown stuff is the trash it has picked up over the years/miles.
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