Turbo pressure won't hold! .....ideas? please? - Saab 900 Bulletin Board - Saabnet.com
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Turbo pressure won't hold! .....ideas? please?
Posted by RM '86 SPG (more from RM '86 SPG) on Tue, 25 Mar 2003 20:58:30
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Hello, Thanks for reading.
Just within the last couple weeks I have had an incresingly bad problem I am having a helluva time trying to diagnose.
When accelerating hard, the turbo boost pressure almost reaches the end of the orange zone on the dash guage and then just falls uniformly until I get close to 5500rpm and I have to shift. By time I have to up-shift, the needle is only a quarter of the way into the orange, even with the pedal still to the floor. This happens in all the gears exept first. In first the needle barely gets a third of the way into the orange at any rpm with my foot planted. It certainly isn't just the gauge, the car is slooooow. I can't find any vacuum or hose leaks, the knock sensor, brake light switch, cruise control vacuum switch, and the apc solenoid seem to be fine.
I have an 1986 900T SPG
I really nbeed any suggestions any of you gurus can give me!
Thanks very much,
-Rob Marsh
posted by 68.145.238...
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