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Author Topic: Oil in Plug Wells - Cause misfire?  (Read 674 times)

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nordic

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Oil in Plug Wells - Cause misfire?
« on: 18 September 2010, 19:22:53 »

I have a small amount of oil in the plug wells. Not enough to reach the plug leads. Would this small amount of oil be enough to cause a misfire? Or should I look elsewhere?

The car has had:-

New Plugs
New Leads
New Coil Pack
New Crankshaft Sensor

I am going to replace the camcover gaskets but wanted to know if such a small amount of oil could cause a misfire?

Cheers,

Andy :-/
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david036

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Re: Oil in Plug Wells - Cause misfire?
« Reply #1 on: 18 September 2010, 19:39:08 »

Easy way to tel if its causing a misfire is to take a plug out that's covered in oil and see if it sparks...Had his problem on mine and it was caused by oil leaking from rocker gaskets
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markfree

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Re: Oil in Plug Wells - Cause misfire?
« Reply #2 on: 18 September 2010, 19:51:07 »

If, as you say, the plug leads are not covered in oil then it's pretty unlikely this will be causing your mis-fire - have you checked for any codes (paperclip test etc.)
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nordic

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Re: Oil in Plug Wells - Cause misfire?
« Reply #3 on: 19 September 2010, 11:57:34 »

Thanks - checked 'Paperclip Test' and get Code 13.

Yet, this code only appears when the ignition key is turned - NOT when I do the test with the engine running!

Andy :-/
« Last Edit: 19 September 2010, 11:57:51 by nordic »
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Broomies Mate

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Re: Oil in Plug Wells - Cause misfire?
« Reply #4 on: 19 September 2010, 21:11:30 »

Lets start with the basics;

You know the gaskets are leaking so replace them.

ENSURE you clean the breathers and breather box and then report back.
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