[T3] Mystery Miss

[Dave Hall]

Way back in the '60s we had a rotor arm suppressor go open circuit on our
1500S.  That caused a miss at higher rpm.  Probably not what's happening
here, but easy enough to swap to check. I have also heard of coils going
intermittent, particuarly when hot, but I've never experienced it myself.

I've always felt a brief miss is more likely an ignition issue than fuel.

Dave
UK VW Type 3&4 Club
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-----Original Message-----
From: type3-vwtype3.org [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org]
On Behalf Of Daniel Nohejl
Sent: 06 May 2016 23:04
To: type3 at vwtype3.org
Subject: Re: [T3] Mystery Miss

Well, so far I've checked the resistance of the spark plug wires. All 4 are
between 1000 and 1100 ohms. The wire from the coil to the distributor is 650
ohms. The coil (Bosch black) is 3.2 ohms from + to - and over 10k from
center to + or -. The 10k seems a little high as the blue ones always come
in between 7k and 8k but I don't know if that's an issue. There's no oil
leaking from the coil. 

I made no changes before driving home and of course there wasn't a single
miss or buck. I even went out of my way to push it up hills and push the
acceleration. So infuriating!! I guess like Bob said I'm going to have to
look elsewhere. But where? Or am I still in the realm where an ignition
issue is possible..though at what point in the system? Intermittents are
such a drag.
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