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Originally Posted by mbunakeith
overboost is usually the first symptom of a bad apc/bpc valve. i would replace it pronto. the valve shorts and sends voltage back through the trionic unit. it usually doesnt take long for the trionic to have a heart attack. how you can tell the trionic is junk is if you replace the bpc and it still overboosts.
does your car have the tcs button on the dash so you can turn it off? i remember there being something about a button you could get from saab to make the tcs switchable.
it has been years since i have dealth with a 9000 and it is still a bit fuzzy. these stupid sport sedans are eating my brain tissue away at an alarming rate. i hate them.
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Yes the '95 9000 have the button to turn TCS off. but if you have a TCS fault you are still in Limp-home mode which sucks!!
The '93 was the year with no switch to turn off TCS if you were stuck in deep snow you were $^^%$%!
I will get a APC valve from one of the junkers in the yeard this weekend!