Sounds electrical - try swapping wires around and see if that problem
follows the bad wire.
If it is valve related (bad spring, sticking or mistimed - you could try
running the engine briefly with the rocker cover off to check for proper
movement etc. Sounds messy but if you lay towels around the outside it's OK
- and it's quick and easy to do.
Cheers
Mark
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Date: Tue, 25 May 2004 07:23:37 +0100
From: "alan watt" <alwatt33@hotmail.com>
Subject: running on three cylinders
I have just replaced the cylinder head in my mk3 with a new one. However,
when
i got it running again it seems to be running on 3 cylinders with the
number
one cylinder not doing much - when I pull the spark plug the engine doesnt
die
whereas it does with all the others.
I have tested compression (same as it was before replacement of cylinder
head)
replaced the spark plugs, distributor cap and rotor. Engine is smoky as
anything but I guess that that should be expected with 1 cylinder down?
Any ideas what i should do next as a diagnostic procedure/solution?
thanks a lot
Al
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