Question about 2003 Volkswagen Jetta TDI
first check the battery connections. make sure they are tight and corrosion free. corrosion will show up as white fluffy chuncks. if there is corrosion use a mixture of sodium bicarbonate(baking soda) and water to clean and then coat the terminals with petroleum jelly or fiber washers available at auto part stores.
if all is well there when the condition occurs again try using a jumper on the start relay to see if it starts right away. if so your starter relay is probably on the way out and should be changed before it dies completely.
im not too sure exactly where it will be on your car but they are usually found along the left side of the engine compartment and are easily identified as the positive battery cable goes to one big screw and the other screw beside it holds a wire going to the starter. use normal jumper cables but only employ one color (red to red or black to black)
Posted on Jul 17, 2008
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