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challenge anyone? boost issues from a veteran, (long)
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Posted by hans nunnink [Email] (more from hans nunnink) on Mon, 9 Aug 2004 11:50:01 Share Post by Email
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After replacing DI, Hooter, plugs, air filter, I am hoping to get some help from you guys (not the first time).

I have taken the car to the dealer and another saab specialty mechanic. These visits yielded 0 results, but allowed mutch testing to be done. Here is my quandary. And, I checked the 9000 boards exhaustively.

slow, slow increase in turbo boost pressure, I do not evolve past base boost until 4k - 5k rpms. Then I creep to full boost very slow.

I/we have check the hooter valve, waste gate rod, APC unit, computer, DI cassette, bolted the manifold (replace broken screws/bolts) tight, reset for adaptation run and more. (I cannot recall all of the stuff done)

When I pull the 'c' hose, I get the same action (as described above) My next thought is exhaust system, but I do not think it would do anything (unless manifold to catalytic converter was bad).

I have had this condition for a while and am now attacking it with renewed vigor. I came across a post stating that the air mass meter can go bad. Does anyone know where it is located?

Any ideas much appreciated. Since, I get full boost, I kow my turbo is okay.

96 aero, 150k

Thanks all!

hans nunnink

posted by 64.69.11...

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