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Join Date: Jul 2001
Location: Goshen,IN, USA
Posts: 107
idle speed

I have a 1.8l with fuell inj and the idle speed climbs to 1500 1900 rpm after driving it. If I start to let the clutch out and the engine starts to pull I can make the idle drop and stay down about 800-100 rpm. until I stop again and it is idling high again. Any idea on a cause and solution for this?

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Jeff Margush
914 1.8
1981 242 Volvo Turbo
Old 04-19-2004, 09:09 AM
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revise that low idle to 800-1000 rpm
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Jeff Margush
914 1.8
1981 242 Volvo Turbo
Old 04-19-2004, 09:10 AM
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Join Date: Aug 2000
Location: Williamsburg, VA
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I bet you have an air leak in one or more of your FI vacuum hoses. If you haven't done so I would replace all the hoses to insure you don't have a leak.

Also try plugging the auxiliry air valve hose, if the idle drops..there is at least one of your leaks

I have a 2.0L with teh D-jet and it took replacing ALL the hoses with new to get all the leaks under control. It should run you about $40 for the hoses and well worth it


Bets of luck
Kerry
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Kerry (Back on the road, sort of)

914-6 in the Werks
Old 04-19-2004, 10:11 AM
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I've done all the vac hoses so I will check plugging the aux air valve
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Jeff Margush
914 1.8
1981 242 Volvo Turbo
Old 04-19-2004, 12:02 PM
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I've done all the vac hoses so I will check plugging the aux air valve
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Jeff Margush
914 1.8
1981 242 Volvo Turbo
Old 04-19-2004, 12:02 PM
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Check the ignition timing, as well. Make sure the points plate moves freely, and that your vacuum cannister actuates the advance and the retard. (You'll need a "Mity Vac" or other vacuum source, at least for the advance.)

--DD

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Old 04-19-2004, 03:48 PM
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