start with a leak-down test, new spark plugs and - Saab Saab Model 99 Bulletin Board - Saabnet.com
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start with a leak-down test, new spark plugs and
Posted by jimmy (more from jimmy) on Wed, 16 Feb 2011 08:49:51
In Reply to: CIS B engine experts (1980T), Slyde, Tue, 15 Feb 2011 05:21:00
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remove and check the spray pattern of the injectors. Then test fuel pressures cold and warm. Check and set ignition timing, make sure you have no vacuum or intake leaks, or exhaust leaks before the o2 sensor. Put a new o2 sensor in the manifold and then sset the mixture using the appropriate duty cycle meter. If all of these items check out good, you car should run well with the usual hunting idle of an early lambda car. Be really careful with the o2 sensor threads, they can be really ugly.
posted by 65.19.25...
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