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Re: How do you know if the fuel pump needs to be replaced...
Best thing to do is a fuel pressure test, the car does not have to be running to do the test just turn on the key. You can rent the pressure tester at auto zone.
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If you're car has been running fine, then suddenly won't start, the cause is frequently that the fuel pump cutoff has been tripped. Open your trunk, and look for a label for a fuel pump cutoff switch. Locate the switch, press it in, and see if the engine will start.
NO it does not have a fuel pump in the tank. It uses vaccum.
and if their are tiny bubbles in the clear line coming from the fuel filter to the injection pump that is normal. Even when the car is not running it is normal to see bubbles in the line. hope this helps.
I have a 2002 VW Golf. The car will not start, although there is eletrical current and the engine does start put then dies out when I try to accelerate. What is wrong?
Check the load reduction relay. I had this happen twice and repaired twice on my TDI mk IV. It throws no codes and almost has to be witnessed by a mechanic to be believed.
fuel filter can be getting gelled up, ecm has to be checked or could have a loose connector in engine compartment or broken wires. many times fuel pump relay or main relay will cause weird things in these cars
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.
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