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Fuel pump whine - 2008 Ford Ranger 3.0

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Its starting to go bad replace before it leaves you broke down

Posted on Nov 28, 2013

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1 Answer

Car wont start suspect petrol pump


Turn your key to "ON" or "RUN" position. You should hear a whine coming from the rear of your car for a couple of seconds then stop.. That is the fuel pump priming your fuel delivery system. After you start your car, you should continue to hear the whine, but not as loud. That is your fuel pump delivering fuel to your engine. If you don't hear a whine then check all connections, fuses, relays related to your fuel delivery system.. If you hear the whine for prime, then check your fuel rail(s) for pressure. If you have pressure, then it is likely a Spark or an Air problem. Do you have any check engine warning lights on? If so, take to autozone (or similar) and they can check the error codes (DTCs - Diagnostic Trouble Codes) and print them out for you to work on.

Apr 25, 2014 | 1996 Audi A4

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Problem starting


When you turn the key to on before start do you hear the fuel pump whine for a few seconds? If you hear the whine it could be fuel filter or no spark. If no whine squirt gas into throttle. Then start the car if it starts the problem is in fuel delivery (bad fuel filter, fuel pump or fuel pump fuse). If it did not start then its spark related(cam or crankshaft sensor, ignition coil)

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1987 jaguar xj40 2.9 new fuel pump whining sound from pump out let hose


Cavitation of the fuel is causing this. Check the return line if you have on or the fuel regulator pressure

Sep 08, 2012 | Cars & Trucks

1 Answer

Constant whining noise from fuel pump


    1. Low Fuel

      Fuel pumps work by pressurizing the fuel and sending it to the engine. A low fuel level can cause the engine to work much harder to build the necessary pressure to pump the fuel. To analyze the problem, start the car when the fuel is low (below one-fourth tank) and listen for the sound. If the whine is audible, fill the tank immediately. When you start the vehicle again, the whine should be reduced or absent. If not, there may be another problem.
      Damaged Pump

      The whining noise may be caused by a damaged fuel pump. The fuel pump may be punctured or dented, reducing its efficiency. To resolve this issue, the fuel tank must be accessed and repaired or removed. The location of the fuel tank depends on the construction of the vehicle. In a vehicle equipped with a carburetor, the fuel pump is often located outside of the fuel tank. With a vehicle that has a fuel injector, the fuel pump is located inside of the tank. It is best to get a mechanic to address this problem.


      Impurities in Gas Tank and Engine

      • If the fuel pump is blocked by engine gunk, dirt, impurities in the gasoline or anything else, it will respond with a whine or some other very noticeable noise. Debris in the fuel tank can be sucked into the pump most easily when the tank is low. This debris gets caught in the pump and reduces the pressure. This problem must be fixed by removing the blockage which should be performed by a mechanic. Using fuel additives that clean the engine and keeping the fuel tank filled may also be a preventative measure.

    Jul 02, 2012 | 2004 Land Rover FreeLander

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    Vehicle will not start, normally when ignition is in on position there is a whining noise for a few seconds, I wait until the whining stops and then start the vehicle. Now, when ignition is on on position...


    Hi. The whining noise you hear is the fuel pump priming the fuel lines. If you don't hear the sound anymore then your fuel pump has stopped working. Check your fuses. Also look for a relay for the fuel pump. The relay will usually be in a large box under the hook that says fuse and relay panel or something similar. If the fuses and relay are working the the pump will probably need to be replaced.

    Jun 12, 2011 | 1996 Ford Explorer

    1 Answer

    Chevy 1996 s10 wont start it turns but that's it we replaced the fuel pump and the crank sensor. Now what do we do.


    test 1- sit with driver door open,turn key to ON not start- listen for fuel pump whine as it pressurizes system- if no whine- check fuse for ECM1 or 2,if whine check fuse for eng1 .or could be fuel relay

    May 03, 2011 | 1996 Chevrolet S-10 Pickup

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    2000 Suburban: High-Pitched electronic whine near rear of surburb...


    That "whine" is the fuel pump inside the tank. This usually gets louder at or below 1/4 tank. Expect the fuel pump to go out soon.

    May 16, 2010 | 2000 Chevrolet Suburban

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    1994 chrysler lee baron fuel pump whining


    You might try changing the fuel filter, most likely the fuel pump is going out and will need to be replaced.

    May 13, 2010 | 1994 Chrysler LeBaron

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    Fuel pump makes a whining noise..always,Why ???


    There is too much power going into the fuel pump. Please replace it on time as it might cause more damage to your car.

    rate this.

    Mar 21, 2009 | 1987 Buick LeSabre

    1 Answer

    Lincoln town car 2000 - whine in the rear


    Hi this is a common problem for these cars the whine noise is coming from the fuel pump and once they fuel pump starts whining the life of that pump is very short the best thing to do is replace the fuel pump and your fuel filter it shouldnt cost much mainly under $100.
    Anderias

    Feb 03, 2009 | 2000 Lincoln Town Car

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