[Vwdiesel] Erratic Tach

Roger Brown r.c.brown at ieee.org
Fri Jun 1 01:01:13 EDT 2007


Evans Antoniou wrote:
> i started having the same problem tonight. 
> 
> i have a 96 Jetta AAZ diesel engine.
> 
> any help?
> 
> evan

If that is a real diesel tach (driven off the alternator W-terminal), then that could be a 
sign of the alternator brushes wearing out.

-- 

   Roger


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