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On 3 Aug 2001, at 20:27, e.m. hildebrandt wrote: > >They set the fuel mixture, adj. the > >timing and something else I can't remember and it was still running > >badly. It would run okay when cold but not when it gets to normal > >running temp. It was running so bad when I picked it up I didn't know > >if I'd make it home. I can't make any sense of it. I mean it' s > >running like it's only on 2 cylinders. Check the charging system voltage. Measure the voltage across the battery with the engine warm and running at medium rpm; it should be 14.1-14.4V. If it is less than 13.5V replace the voltage regulator with a genuine Bosch regulator. Low system voltage makes this FI run rich, which would give the symptoms you describe. - Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ------------------------------------------------------------------- List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org