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    VWVortex


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    Type: Posts; User: BassNotes

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    1. Thread: EPC Light

      by BassNotes
      Replies
      11
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      309

      With VCDS you can look at the accelerator pedal...

      With VCDS you can look at the accelerator pedal position potentiometers and verify that they change as you move the pedal. IIRC it's in measuring block 62.

      Also, get under your car and have a look...
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      158

      Yes, that's thesecondary air injection hose. If...

      Yes, that's thesecondary air injection hose. If the tape is tight and holding up well and not allowing a leak, there's no real hurry to replace it. From a dealer, the hose set is >$200. You can get...
    3. Replies
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      391

      I used to live one town over, in Vernon. I still...

      I used to live one town over, in Vernon. I still have lots of family and friends in the area. Go Whalers! }3 lol
      Just to let you know: I don't know if D&D Auto Repair is still in business--last I...
    4. Replies
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      391

      Where in Connecticut are you located?

      Where in Connecticut are you located?
    5. Replies
      15
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      391

      BTW, G185 and G79 are the potentiometers in the...

      BTW, G185 and G79 are the potentiometers in the pedal assembly.
    6. Replies
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      391

      Here's a snip of the wiring diagram in the...

      Here's a snip of the wiring diagram in the Bentley manual:
      http://i5.photobucket.com/albums/y192/QSCBob/BobStuff/Car/CapturePage_zpsl0ph0oqu.png

      And a close-up of the wiring to the pedal:...
    7. Replies
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      391

      Which engine do you have, AWP? Do you have all...

      Which engine do you have, AWP?

      Do you have all the wires to the EPC (accelerator pedal)? I think there are six, but I'll have to verify that on the diagram.
    8. Replies
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      391

      Wow, I can relate! The previous owner (or his...

      Wow, I can relate! The previous owner (or his shop, more likely) did a lot of half-assed electrical stuff in my car, including all sorts of crappy butt splices, most of which were the wrong size for...
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      1,609

      :thumbup::thumbup::thumbup:

      :thumbup::thumbup::thumbup:
    10. Replies
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      1,609

      That is correct. They all are connected on one...

      That is correct. They all are connected on one side to +V, and for each injector there is a switching transistor in the ECU that pulls the other side to ground to actuate the coil.

      My hypothesis...
    11. Replies
      42
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      1,609

      OK, I realize now that you're referring to all...

      OK, I realize now that you're referring to all the coils--not the injectors--having grounds, which is not relevent to the problem you're having.

      I would suggest that you check the things mentioned...
    12. Replies
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      1,609

      What do you mean by "all have grounds"?

      What do you mean by "all have grounds"?
    13. Replies
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      1,609

      I would've done some checking on the suggestions...

      I would've done some checking on the suggestions noted in this thread before risking burning up a new injector.
    14. Replies
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      1,609

      No. The injectors are supplied with +12V, and the...

      No. The injectors are supplied with +12V, and the ECU switches the other injector terminal to ground to fire it. These pulses have a relatively low duty cycle. If that switched side of the injector...
    15. Replies
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      1,609

      I'd suspect mostly a short to ground on the line...

      I'd suspect mostly a short to ground on the line from the injector to the ECU, or possibly a short in the ECU itself. This would turn the injector on continuously instead of in short pulses.
    16. Replies
      5
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      269

      Any codes? Can you do a vag-com scan? Stumbles...

      Any codes? Can you do a vag-com scan?

      Stumbles at idle are often caused by a vacuum leak, but there could be other issues.
    17. :thumbup::thumbup::thumbup::thumbup:

      :thumbup::thumbup::thumbup::thumbup:
    18. Replies
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      115

      With the engine running, measure the voltage...

      With the engine running, measure the voltage directly at the alternator output, in the lead that goes from the alternator to the battery fuse panel. Stick the point of the voltmeter probe right...
    19. Replies
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      331

      I'd replaced several of these switches over the...

      I'd replaced several of these switches over the last five or six years because of leaks.

      I installed a new PS pump about a month and a half ago and for good measure put on a new switch and crush...
    20. Replies
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      590

      OK, if it's one of the regular wires connected to...

      OK, if it's one of the regular wires connected to the fuse box, then it should be connected to one of the fuses. You should be able to tell easily which fuse it is, and pulling that fuse should...
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