cold start probs: AAV and cold start valve ok...next? - Saab 900 Bulletin Board - Saabnet.com
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cold start probs: AAV and cold start valve ok...next?
Posted by Matthew Fortner [Email] (more from Matthew Fortner) on Thu, 11 Apr 2002 12:29:49
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AAV opens and closes. Cold start valve has perfect atomization. Warm-up regulator terminal gives me 16 ohms and the connector supplies 12v to the warm-up regulator.
To test control pressure, are those $20-25 vacuum/fuel pressure test gauges adequate, or do I need something more complicated or in addition to?
Symptoms: Starts easily, but stalls or comes close to stalling (<500 rpm) in less than 10 seconds from start up. If it does not stall the rpms dip and rise until warmed up for about 30-45 secs. Usually after restart it will idle more smoothly. I am able to keep it running smoothly by feathering throttle pedal.
When the motor is at operating temp it runs and restarts fine.
posted by 158.252.93...
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