Update - Saab 9000 Bulletin Board - Saabnet.com
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Update
Posted by TRJ (more from TRJ) on Sun, 3 Aug 2003 12:50:36
In Reply to: O2 sensor fails this test...replace?, TRJ, Sat, 2 Aug 2003 19:11:16
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Degreased belt side of engine, with emphasis on CPS.
Alternator at idle reads 14.0v (seems correct)
Retested 02 sensor: erratic performamce. Still reads .1-.5v when it sends. Re-experienced 0v reading during extended idle.
Held idle for 20 minutes.
AMM disconnect caused idle drop and stall.
Replaced vacuum hose to charcoal cannister actuator.
02 disconnect resulted in cleaner idle (no CEL).
Drove with 02 disconnected and got CEL, reconnected & CEL went out).
Wild tach variations seem gone (I hope). Did not stall during test drive.
Still not comvinced problem is DI-related. Intermittent nature of stall issue points me elsewhere. Another tank of high test with more injector cleaner might be in order.
Lean O2 readings are a concern,though.
posted by 68.198.101...
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