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idle problem and power steering issue with a '97 900T
Posted by Marek [Email] (more from Marek) on Fri, 11 Aug 2006 13:13:47
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I have two strange problems with my wife's 900.
1. Occasionally, in a 6 - 9 month interval the power steering fluid starts spraying and completely drains the system. Always on a hot day (but not on every hot day) and very fast, less then 30 seconds. The fluid seems to be spraying somewhere in the vincinity of the power steering pump as I can find it all over the engine and chassis in that area.
2. The engine idle suddenly became unstable. Revving up and slowing down in a 1 second cycle. Right after initial start the idle is fine but after the first gas pedal use, the uneven idle starts. If I disconnect the vacuum hose to the pressure sensor and reconnect it, the idle is fine again until the next gas pedal use. First time this happened 4 months ago, then it suddenly went away after one week and now it returned a week ago.
The car went to a SAAB master technician for both issues. He could not find any reasons whatsoever for #1. He also told me that there is no overpressure valve that could open like this... On #2 he spent 3 hours without any results either. He verified the TPS sensor using a Tech tool, replaced the IPC valve with a known good one, etc, etc. I still wonder if the TPS sensor may be bad...
Any ideas out there??????
Marek
posted by 206.168.13...
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