prelude1980
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| posted on 29/9/07 at 12:14 PM |
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Zetec Firing
I can remove the spark plug leads from cylinders 3 & 4 with no effect to a rough running engine, any ideas, i've tried new plugs, lead, coil
pack EDIS module, swapping leads over on the coil pack but nothing works.
i need a quick answer in a major bother with it now
Speed has never killed anyone. Suddenly becoming stationary... that's what
gets you.
https://www.topcashback.co.uk/ref/dodd1980
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Bigheppy
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| posted on 29/9/07 at 12:20 PM |
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Have you got fuel getting into those cylinders can you smell petrol, are the plugs wet when you remove them. Have you got compression perhaps a valve
is sticking 
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stevec
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| posted on 29/9/07 at 12:22 PM |
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Do a compression test, May have done the head gasket across 2 cylinders.
May be valves but its a bit suspicious that its adjacent cylinders. Also check for manifold air leaks.
Steve.
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MikeR
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| posted on 29/9/07 at 12:39 PM |
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are the plugs sparking - hold the plug to the engine bloke (using insulated pliers). You should be able to see / hear the spark.
be careful if you've got petrol and air around
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Paul TigerB6
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| posted on 29/9/07 at 02:03 PM |
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what carbs are you running?? Sounds suspiciously like you arent getting any fuel in there to me. Could be the float sticking and not letting fuel in
if you are using webers - pretty quick to check anyway.
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prelude1980
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| posted on 29/9/07 at 02:47 PM |
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just to up date this i have changed nearly all parts, fuel is getting in plugs look like it is rich.
i have now found the problem i'm running throttlebodies and cylinders 3 and 4 were tight shut at idle, causing me the biggest headache,
Thanks for all the thoughts on this
Speed has never killed anyone. Suddenly becoming stationary... that's what
gets you.
https://www.topcashback.co.uk/ref/dodd1980
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