Re: ignition timing - Saab 900 Bulletin Board - Saabnet.com
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Re: ignition timing
Posted by Simon S (more from Simon S) on Sat, 17 Mar 2012 12:43:06
In Reply to: EXPERT ignition help needed PLEASE 1989 na 5 spd, t, Sat, 17 Mar 2012 12:22:57
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Your hall sensor is in the crank right? The distributor has exactly ZERO effect on timing. Timing is entirely controlled by the EZK computer.
have you tried this in the dark? seriously, you won't see spark arcing in daylight if your problem is wire routing, or insulation.
Any chance someone munged the thread in #3 hole, so the plug has bad ground?
I have to assume this is a high tension problem, between the cap and plug, unless it being ignition is just a wild goose chase. It bothers me that there is no fouling or unburnt fuel in #3, that makes no sense at all as it being an ignition problem. Have you tried swapping fuel injectors between cylinders?
posted by 24.22.62...
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