Question about 1989 Volkswagen Fox 4 Door
Car runs great, but intermittently dies, and then will restart (usually). Replaced fuel pump and fuel pun relay - it still has the problem. Thank you
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Posted on Jan 02, 2017
SOURCE: 2003 vw jetta tdi fuel filter
It is on the passenger side right behind the washer fluid fill tube. You can follow the fuel lines (look like 1/4" black tubes, some are clear) from the injector pump to it. It is a caniser a bit bigger than a normal looking oil filter and sits between the washer bottle and the metal that forms the wheel well. It is held in by a screw type clamp about half way down the cylinder. Probably isn't the fuel filter unless there is air in the lines to the injector pump or they didn't bother to fill the fuel filter up with diesel after putting it in. There is not a fuel pump in the tank in these cars so everything is sucked up by the injector pump and it needs to be primed properly.
Posted on Sep 11, 2008
there is a pump in the tank ther is one under car.one in take is a pre pump one under car in black plastic housing .make sure fuel pump relay is working.
Posted on Nov 30, 2008
Mine was doing that, I checked carefully and found out the fuel accumulator was leaking especially at higher RPM's which starved the engine of proper fuel pressure causing it to idle up and down, change idle speeds, and sometimes just die. If your car starts up fine when cold and then shuts off until has warmed up, idles rough cold, and seems to lose power slowly then get it back when you give it gas, check the fuel accumulator. It is located beside the fuel pump, under the car body, right under where the rear passenger seat is and looks like an old ignition coil with two metal pipes going into it. There is a rivet type thing on the rear of the accumulator that tends to leak when it gets older. The leak does not allow the accumulator to store the pressure needed for cold starts and high RPM's. Rub your finger over the accumulator and check for any signs of gasoline leakage and if so, replace it.
My gas mileage was also at 17 MPG city which was because the accumulator was leaking all the time. When I replaced it I got 27 MPG in the city.
Posted on Apr 23, 2009
yes. Depending on where your fuel filter is located, you can disconnect the fuel line at the fuel filter and then try to crank the car over. If it spits fuel out of the disconnected line your pump is working, if not then it's bad. Another way to tell, but not always is when you car is started you hear a high pitched whining sound from the tanks. This is usually (again, not always) an indication of a fuel pump about to fail.
Posted on Oct 12, 2009
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