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Registered User
Join Date: Jun 2003
Location: Granada Hills
Posts: 381
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Hunting Idle speed
Hi all,
Before I start looking for vacuum leaks just wanted to check if anyone has fixed a problem where warm idle speed gently sways about 9K. The car is 1988 930 with closed loop CIS (stock). Thanks for your time. V. |
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02-06-2007, 10:42 AM
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Registered User
Join Date: Mar 2002
Posts: 3,563
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I think your best bet is to verify your CO% at idle and then start looking for vacuum leaks
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Merv '89 911 Turbo Cab Protomotive MAP ECU, Twin Plugged Heads, GT2-EVO CAMs, 3.3L fully finned P&C's, ARP fasteners, C2T head gaskets, Titanium Retainers, Turbo spec valves, springs & guides, 964 splash valves, GT35R BB turbo, GSF Stainless Headers, Magnaflow Exhaust, Full bay Intercooler, TiAL 46mm w/gate, TiAL 50mm BOV, Apexi AVC-R EBC, SPEC Stage3+ Clutch kit, Crane CDI Ignition 
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02-06-2007, 07:09 PM
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Registered User
Join Date: Jun 2003
Location: Granada Hills
Posts: 381
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Thanks WydRyd, I checked and found a leak in the exhaust plumbing. I'm not sure how this happened but I do know the leak/disconnect is after the O2 sensor. Looks like some hard driving caused the disconnect.
I'm sorry id this is not clear I just got the car and have not yet had time to go through the manuals. Thanks again. I'll get this fixed before I attempt to smog test the car in CA. V. |
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02-06-2007, 07:39 PM
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