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    3. What should be the voltage of a gas pump in a 2004 volkswagon GTI 1.8?
    What should be the voltage of a gas pump in a 2004 volkswagon GTI 1.8?

    It currently reads 10.2 and engine will not start..

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    +1  Views: 482 Answers: 1 Posted: 14 years ago
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      with the key on , you should see battery voltage at the fuel pump or about 12 volts. have a test light or volt meter is better to the fuel pump 12v wire and see if you have battery voltage for about 2 seconds with key on and also while cranking. most of the time it will be the fuel pump at fault. hardly ever the relay or eng. control module. 

      14 years ago. Rating: 2
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