350 slc idle rollercoaster

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350 slc idle rollercoaster

09-24-2000, 03:12 PM

WDurrance

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The cold idle speed is too high causing the injection to enter "decel-shutoff" until the rpms drop. This can be due to over advanced timing, an intake leak, a faulty auxilliary air valve, or anything else that will let the engine speed go too high at closed throttle. It is part of the design of the system.
Regards,
Randy D.

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W.R.Durrance
ASE Master Tech
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68 250SE
68 SAAB 96 Ice Racer
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