Date: Fri, 21 Feb 2003 11:07:44 -0500
From: "darkpoter" <>
Subject: Re: '91 Saab 900 2.1 non-turbo w/poor performance on acceleration

I havent had this kind of experience with a saab before. however generally when you get these kinds of blank spots in acceleration its due to a fuel cut (for turbo... but yours aint) Otherwise I go through the car and ensure that all the grounds are in good shape. A bad ground wire can cause these kinds of symptoms... Matt I "Brian Dean" <> wrote in message news:wii5a.5391$ > I have a 1991 Saab 900, 2.1 non-turbo with 140,000 miles in good repair. > > Beginning several weeks ago, it began to lurch when accelerating under load. > This lurching feels like momentary complete power cut-out by the engine ... > sudden in nature with immediate resolution... i.e., it seems to studder > rapidly while accelerating under load. If the clutch is pressed in it will > clear and rev freely. > > This occurs at start-up and continues, regardless of operating temperature. > > There are NO problem codes set by the on-board diagnostics. > > The vehicle has a new dist rotor, dist cap, and spark plugs. All are > correct factory specified components. > > The head gasket was replaced about 10,000 miles ago without incident and the > car ran faultlessly until just several weeks ago (probably less than 500 > miles with this problem). > > Any ideas would be appreciated... > Brian > > >

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