New spark plugs?Are they NGK?Vacuum?Dirty AMM? - Saab 900 Bulletin Board - Saabnet.com
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New spark plugs?Are they NGK?Vacuum?Dirty AMM?
Posted by Chaz [Email] (more from Chaz) on Tue, 15 May 2007 23:12:27
In Reply to: recheck plug wires, look in dis,cap & at rotor, vvack0matic [Profile/Gallery]
, Tue, 15 May 2007 21:29:24
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I went through this, and it was solved by returning to NGK. Saabs like NGK.
Clean out idle control valve with carb cleaner spray. That gets gummed up and stops moving inside. When it gets warm the inner gum gets more fluid and it frees up.
Clean out AMM with carb cleaner. When the wires get crudded up it thinks it has less air that it really has.
Look for vacuum leaks. This is a major symptom.
Posts in this Thread:
- cold start, runs like crap, when warm runs ok?, philbert, Tue, 15 May 2007 21:08:16
- Re: good ideas but could it be ECU?, philbert, Thu, 17 May 2007 06:59:29
- Engine temperature sender?, whitesaab, Wed, 16 May 2007 20:28:24
- A good start would be checking the codes, Ken H, Wed, 16 May 2007 07:47:20
- recheck plug wires, look in dis,cap & at rotor, vvack0matic , Tue, 15 May 2007 21:29:24
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