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RE: Surging accelleration - 91 200q


I think you need to look at your oxygen sensor output and see if
thing correlate on the time scale.  i.e. is your mixture changing
and causing the surging?  If it is I wouls start with the fuel filter
and test the fuel pump performance.  I don't think the ECU will be changing
output around as fast as your surging, SO I doubt that's it.  Good luck.

paul t-