Date: Thu, 21 Oct 1999 05:58:37 GMT From: Rick and Lorie Mieras <rlmierasnopsamsplanet.net> Subject: Re: Mystery stalling
Thanks for the info, I now have several leads to follow Justin VanAbrahams wrote: > Rick and Lorie Mieras wrote: > > > > My 1987 Saab 9000 Turbo will stall, when the engine is hot, and I > > accellerate(get into the boost)and then suddenly let up on the gas(such > > as deciding to run a yellow light and then thinking better of it). The > > RPM will drop to almost zero, the oil light comes on, sometimes the RPM > > will flare back up to 1500 or so(with the oil light still on!!!) and > > then silence. Every time this happens the beast is hard to start again, > > 10 seconds of cranking or so is about normal.....anyone got any ideas? > > It's been doing this for years......any feedback, other than "sell the > > car", will be greatly appreciated. > > Sell the car! It's gone bad, and it's probably too late to do > anything. > > Nevermind... you said you didn't want to hear that. > > Okay... first thing to check is that the turbo bypass valve is in > good shape. You can't miss it - it's the small black plastic > cylinder sticking out from the long pipe that runs between the > throttlebody and the intercooler. It'll have two large hoses > going into it (one from the aforementioned pipe) and a small > vacuum line. Get a length of vacuum hose, pull the vacuum > hose off the bypass valve, and connect your hose to the valve. > Suck and blow on the hose. If you can do both or either, you need > a new bypass valve, and this will cause your stalling. > > -Justin