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Intermittent Idle Drop When Stopped 900

posted by  Foof on  Wed Oct 6 21:14 CST 2004
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Dudes,
Here's one for ya -- my 1993 940 (non-turbo) engine will drop idle speed for a split second every 40 or 50 seconds when I'm stopped. It is only momentary, and then normal idle returns -- it's like the engine is gulping, or something. I recently replaced Air Mass Meter, Oxy Sensor, Speed Sensor, distributor cap, rotor, and seals, sparks, most relays and ALSO the air filter-- GASP -- and by golly if the engine STILL doesn't do the idle drop -- I guess it isn't serious, but it BUGS the heck out of me!

Is this an alternator issue somehow?

Thanks -- you guys are geniuses!






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