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    VWVortex


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    Thread: Vag com code: 17970 - Quantity Adjuster (N146): Upper Limit Reached

    1. 02-11-2008 05:37 PM #1
      Here's the full copy of the codes:

      VAG-COM Version: Release 311.2-N

      Control Module Part Number: 038 906 012 GN
      Component and/or Version: 1,9l R4 EDC G000AG 4308
      Software Coding: 00001
      Work Shop Code: WSC 01266
      Additional Info: WVWSP21J73W142306 VWZ7Z0B5548204
      1 Fault Found:
      17970 - Quantity Adjuster (N146): Upper Limit Reached
      P1562 - 35-00 - -


      Anyone know what could be broken / mal-adjusted / dirty or otherwise needing fixing?

      Also posted on Vag-Com forum

      Thanks


    2. 02-14-2008 12:57 PM #2
      You are either running a tuning box, which is requesting more fuel than the pump can give.

      Or your injection timing is too retarded, and cannot supply enough fuel (at WOT etc)


      Modified by inigo at 8:58 AM 2-14-2008


    3. Member stolpsGTI's Avatar
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      2002 Golf TDI - more plans than money.
      02-14-2008 05:11 PM #3
      Quote, originally posted by inigo »

      Or your injection timing is too retarded, and cannot supply enough fuel

      Would this be adjusted on the injection pump or adjusted via Vag-Com?

      Not a hijack- I have the same code....

      Few people understand the psychology of dealing with a highway traffic cop. A normal speeder will panic and immediately pull over to the side. This is wrong. It arouses contempt in the cop heart. Make the bastard chase you. He will follow.

    4. 02-15-2008 10:24 AM #4
      UPDATE:

      After doing some research/reading on

      http://forums.tdiclub.com/

      I found several posts about 17970

      The suggestions. in order of increasing cost/complexity are:

      1. drain fuel filter of water.
      2. replace fuel filter
      3. check / replace fuel temp sensor inside pump
      4. check / adjust a position sensor inside pump
      5. adjust timing and pump
      6. replace injection pump

      Since my fuel filter had 35,000 kms (23000~ miles) on it, I replaced it.

      I cleared the code. The code has stayed out for 1000 kms, and the GP light no longer flashes. At the same time, the ambient temp went from 30 below F to 30 above.

      So I'm not sure if climate/season change fixed it, or if new fuel filter fixed it, but (for now) its fixed.

      I will post any further developments.


    5. 02-15-2008 01:53 PM #5
      Is your car stock or chipped? I had the same problem from time to time with a chipped ecu. If I set the iq higher than 6.5 it would not throw the code but anything lower it would. I updated my chip and have not had the problem again.

    6. 02-15-2008 11:49 PM #6
      This Jetta wagon is as stock as stock can be. No chips.

      Wife's car, with slushbox 3 spd automagical transmission (not tiptronic).

      My car is the Beetle TDI... no chip there either.


    7. 02-16-2008 07:50 AM #7
      Has any work been done to the car recently.

    8. 02-17-2008 10:27 PM #8
      Car is now at 140~k kms, t-belt/waterpump was changed by dealer at 120k.

      Other than a headlight bulb, brake light bulb, and oil changes.


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