Loss of Full Turbo Boost above 38 degrees? Odd... - Saab 9000 Bulletin Board - Saabnet.com
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Loss of Full Turbo Boost above 38 degrees? Odd...
Posted by BR (more from BR) on Mon, 2 Apr 2001 15:17:02
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Since it has been warm, my 91t has been getting only base boost when the temps rise above 38 degrees. Odd yes, and it is even stranger when I head up into the mountains. Lets say it is 50 degrees in Denver with me getting base boost, then as I hit about 38 degrees or so in the mountains I get full boost. Also, this whole winter I was getting full boost as temps were hitting low 30's pretty consistently. Anyone else have this problem? I've ruled out the BPC solnoid, because it works fine. Could it be a vaccum leak or old O2 sensor that needs to be replaced? Would an old sensor cause this problem? DI cassete...although it doesn't seem to be hesitating at all...
Where do you suggest I start troubleshooting? Thanks in advance.
~Brett [1991 9000 Turbo]
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