Idle miss almost fixed -- Has anybody had this same experience - Saab 9000 Bulletin Board - Saabnet.com
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Idle miss almost fixed -- Has anybody had this same experience
Posted by Aerophile (more from Aerophile) on Thu, 2 Aug 2001 15:24:36
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Moderate idle miss occured two weeks ago. Last night I replaced the 3 week old NGK plugs (put in by dealer) with new ones gapped to .9mm. This was the same gap that the old ones had. Upon removing the old plugs I noticed 3 out of 4 had a concavity in the tip. The new ones I put in did not have this concavity. The miss is almost completely gone--still an occasional very mild one felt.
My question is whether the concavity in the old plugs was causing the miss? The metallic coils that connect the DI cassette to the plugs looks as if it may not have be making contact with the plugs due to the concavity. Has anyone else had this experience? Thoughts?
95 Aero 5spd
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