Date: Fri, 28 Feb 2003 05:52:18 +0000 From: Johannes H Andersen <johsnospamizefitterzzz.com> Subject: Re: Lumpy engine 9-5 2.0 LPT
Pete Bennett wrote: > > A Saab dealership has just given me my unfixed 9-5 back again. The engine > stutters when accelerating from 2,000 to 3,500 revs. I haven't got a clue, but rather than their scatter gun approach, I would apply common debugging techniques: 1) History. How did the problem start and build up? 2) Any diagnostics readout? 3) Comparisons of signals with identical working car. 4) Swapping of components (only replace if it makes a difference) It could be as simple as a cable/plug connection to a crucial sensor. Johannes http://sizefitter.com