Question about 2004 Volkswagen Jetta

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2004 Jetta 1.8 L EFI engine.\r\nEngine loses power

2004 Jetta 1.8 L EFI engine. Engine loses power and then recovers in a few seconds while driving. Happens intermittently
at all speeds City and Highway, car runs strong otherwise and transmission seems fine, shifts well etc...seems to be occuring more frequently over time

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  • cjoneshomes Feb 06, 2010

    Thanks for your speedy reply ! this is what I was thinking too. Where is the fuel pump and fuel filter located? What about the injectors should we try a fuel system cleaner too and if so does VW have some special kind we should use...they seem to have a special everything if you know what I mean $$

  • cjoneshomes Feb 06, 2010

    i will try this and let u know thanks

  • cjoneshomes Feb 06, 2010

    thanks for the quick response...will try it and let you know

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  • Volkswagen Master
  • 6,826 Answers

Check the fuel filter,it is either stopping up,or the fuel pump is failing,have the fuel pump pressure checked.

Posted on Feb 06, 2010

  • Ronny Bennett Sr.
    Ronny Bennett Sr. Feb 06, 2010

    Fuel pump is in the fuel tank,and the fuel filter is either ,under the hood,down on the fender wheel,towards the back of firewall,or it is under the vehicle.The new fuel filter,and a product called Lucas,fuel treatment ,is a very good additive,but use it with as little fuel as possible,so it can work more powerful,and clean fuel system,and injectors,the fuel filter change and the fuel additive,will solve the problem,if it is not the fuel pump going out.

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