Date: Thu, 07 Feb 2002 21:42:53 GMT
From: "joe" <>
Subject: Re: 9000T idling and cruising poorly

can a bad pump give you too much pressure? "Tony at" <> wrote in message news:a3r8b5$25ld$ > Hello Joe, > Either the fuel pressure regulator or the fuel pump may be bad. > > Tony > ------------------------------------------------- > For answers from our Saab MasterTech to your > most commonly asked technical questions visit: > > ------------------------------------------------- > > "joe" <> wrote in message > news:HKY78.11806$ > I just found a beautiful '91 9000 turbo loaded for $2450 on > does have 206K miles on it, but who cares. here's the deal. > > > > During warm-up the engine idles smoothly, but after warm-up it idles > rough and more often than not, intermitently bucks and kinda struggles at a > highway speeds. The injectors click pretty loudly (exept when the idle > smooths out). It has a new timing chain, DI cassette and good plugs (NGK > resistor type). I tried disconnecting the O2 sensor ( no change), and > disabling the fuel > pressure regulator (no change). Its has good acceleration off the line > shuddering > only slightly....but the only way I can get more than 1/2 boost on the > gauge is to (hehehe) disable the wastegate at which point it ran like it > should have, a bat out of hell!!! - and I know I could adjust the wastegate > linkage > but I dont want to push things. HELP!!! Is it a bad fuel pressure > regulator or fuel pump? > Something is making the mixture way too rich!!!!???..????.???... > > >

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