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Re: Bad Idling and Missing below 4200 RPM



you didnt mention if you had replaced the spark plug wires.


>From: "Brad Sterling" <bgsterling@earthlink.net>
>To: "Scirocco List" <scirocco-L@scirocco.org>
>Subject: Bad Idling and Missing below 4200 RPM
>Date: Sun, 23 Dec 2001 22:25:05 -0800
>
>Hi all,
>
>	I could use some suggestions.  Car in question is an '86 1.8 16v.  The
>problem is it is running rough at idle (idle speed raises and falls,
>missing), has an off idle stumble, and generally runs like crap (misses,
>slow acceleration) until about 4200 rpm.  It doesn't seem to matter if the
>engine's cold or warmed up.  Recent work (less than 500 miles ago) includes
>new O2, new distributor, new rotor, new cap, new plugs, four new injectors,
>timing belt and tensioner, and ignition control unit.  The car fires up no
>problem.  I checked the cam timing and the points line up.  I checked
>ignition timing and it's maybe a couple degrees advanced of 6'.  I thought
>it might be a vacuum leak (since the cam timing turned out to be okay), but
>the injectors, hose connections at the throttle body and hose connection at
>the air meter all appear okay (tested with spray lubricant).  Any ideas on
>what to check next?
>
>- Brad
>'86.5 Volkswagen Scirocco 16v
>'76 International Scout II
>
>
>
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