Re: Acceleration Issues - Saab 9000 Bulletin Board - Saabnet.com
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Re: Acceleration Issues
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Posted by John G (more from John G) on Fri, 13 Jan 2012 18:18:35 Share Post by Email
In Reply to: Re: Acceleration Issues, splice1, Fri, 13 Jan 2012 15:29:22
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Since you are having stalling issues, look at the intake manifold. On it, you will see a metal cylinder with two 1/2" or so hoses and an electrical connector. Follow those two hoses to the throttle body. One attaches forward of the throttle butterfly, the other behind. If you look closely, you'll see these hoses attach to a brass fitting which is glued into the throttle body. These are notorious for coming loose and if one has detached complete, it would cause low/no boost and lots of stalling issues.

Assuming this is a non-tcs car then no the throttle cable wont cause stalling. But, a bad turbo can cause stalling if the turbine has seized in the exhaust housing and is causing excess back pressure in the engine. It could also be fouling the plugs, dumping oil into the intake side but again you should be seeing smoke if the turbos gone. The t25 pretty reliable as Noel has pointed out.

A vacuum leak could cause stalling too but t5 does pretty good compensating (unlike maf cars).

I would double check all the places where you could have any large vacuum leaks. If you don't find any, I would have someone check out the exhaust side of the turbo.

posted by 70.162.23...

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