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    VWVortex


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    Thread: Fuel system swap?

    1. Junior Member vwjunkie747's Avatar
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      09-28-2013 07:02 PM #1
      Would it be possible to remove the digi II system in my 92 golf gl with a digi I system or CIS?

    2. Junior Member vwjunkie747's Avatar
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      10-02-2013 12:18 PM #2
      bump

    3. Member Eric D's Avatar
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      10-02-2013 12:44 PM #3
      Quote Originally Posted by vwjunkie747 View Post
      Would it be possible to remove the digi II system in my 92 golf gl with a digi I system or CIS?
      No, because you have smog checks in your area.

      Legally you can update with the same year or newer, but can not legally retrofit older systems.

      Many people have no idea how to service Digifant, they also refuse to buy the Bentley manual.
      Its one of several manuals that are a must read/own if you plan to keep your Mk2.

      What is wrong with your Digifant?
      The original Dub and Dubber.
      Manche VWs sind einfach schneller als andere.

    4. Junior Member vwjunkie747's Avatar
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      10-02-2013 12:47 PM #4
      I do not have smog checks where I live.
      It doesn't start well and chugs for split seconds when accelerating.
      It also doesn't start and runs out of gas when it has a 1/4 tank

    5. Member Eric D's Avatar
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      10-02-2013 01:11 PM #5
      1/4 tank is common with a failed in-tank pump.
      Easy fix for under $50, make sure to get a new tank seal as they like to gum up.
      Also might need a sort fuel hose as the original in-tank hose may have failed too.

      Easy stuff.
      That might just fix your issues, but you can follow along in the Bentley troubleshooting guide for help in diagnosing timing (base idle and static).
      The original Dub and Dubber.
      Manche VWs sind einfach schneller als andere.

    6. Junior Member vwjunkie747's Avatar
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      10-02-2013 01:17 PM #6
      i did the in tank pump. The hose and screen were still good too. i was thinking maybe a fuel pressure regulator?

    7. Member Eric D's Avatar
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      10-02-2013 09:24 PM #7
      Easy to check for leaks, then verify fuel pressure and compare residual pressure. Details in the Bentley.
      If that checks out, read the troubleshooting guide and verify the components mentioned.
      The original Dub and Dubber.
      Manche VWs sind einfach schneller als andere.

    8. Junior Member vwjunkie747's Avatar
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      10-03-2013 01:13 PM #8
      I'll do that, I had my hands on a fuel pressure tester earlier today but I couldn't find a correct connector for the rail?
      I also replaced the thermo fan switch relay, and replaced a loose ground. I didn't know what the ground was for.
      It seems to be running better and doesn't want to die, but the idle still isn't smooth. I have yet to test it on the highway for the chugging problem.

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