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Date: Sat, 2 Sep 2000 18:23:34 -0500
From: "Walt Kienzle" <wkienzlenopsam.com>
Subject: Re: 87 900 Turbo surge & running rich


You didn't give much for us to go on. What kind of temperatures were there when this was happening? When you say "in traffic" is this stopped traffic (like we have here in Chicago) or moving traffic? Expressway speeds, or around town? Short trips, or driving for awhile and the engine is fully warmed up? The "'tail pipe shows a rich mixture' because of black soot" test became obsolete with the introduction of catalytic converters. A friend had a motorcycle that would do this in warm weather whenever he used gas with ethanol. Just for grins, have you checked the Turbo Bypass (AKA Hooter) Valve? It could also be the fuel filter or fuel pump. "Renfield" <ellislnopsamlobal.net> wrote in message news:39b17a43_2nopsam3.prserv.net... > Greetings! Our 87 900 Turbo is experiencing a bit of problem. It has 145K > and been well taken care of, still with original turbo, no engine rebuild > etc. However, it is starting to stall and surge when driving in traffic > (almost like a vapor lock). I checked the factory manuals which pointed to > the CO device, but the tail-pipe shows a rich mixture burn rather than lean. > Any ideas? > > PS... bought another car yesterday, and was trading in the SAAB. My wife > broke down in the dealership. We are talking industrial strength Demi Moore > tears. Needless to say, we drove home with the new car and the 87. Bianca > has saved our lives too many times to go to the glue factory. > > Direct email reply would be fine and dandy. > > Thanks to all in advance. > >

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