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  #1  
Old 08-04-2000, 11:46 PM
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Join Date: May 2000
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Iam still trying to make my 16V idle. Where would I look for a vacuum leak big enough to prevent it from idling? Checked most of the fittings I can see with propane and carb cleaner. No luck? Checked most of items in the CIS section of the CD with no faults except the throttle valve swith that I should recheck, Any ideas or experiences. Thanks.
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  #2  
Old 08-04-2000, 11:49 PM
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Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
Turn off the engine and reach under the intake between the distributor and the power steering pump. There is a hose for the idle system that will blow off of the bottom...you can't see it, but if it's blown off, you will feel it.

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Benzmac:
Donnie Drummonds
1991 GMC Syclone
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM
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  #3  
Old 08-05-2000, 02:30 PM
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Benzmac, Are you talking about the hose that comes from the auxilary air regulator? I checked it and its o.k. Still no idle.
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  #4  
Old 08-05-2000, 04:30 PM
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Join Date: Mar 2000
Location: Gainesville FL
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Just in case your interested, the modern technique for locating vacuum leaks is the use of a "smoke machine".

This device applies 1psi of a very dense smoke into the chamber to be tested. It quickly indentifies the leak. I have even heard of people using it to find door lock vacuum leaks and evaporative systems leaks (common fuel smells).

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Steve Brotherton
Owner 24 bay BSC
Bosch Master, ASE master L1
26 years MB technician
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