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 Posted: Sun Feb 06, 2011 10:11 am |
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Joined: Feb 07, 2010
Posts: 5348
Trade Rating: +33
Location: Kings Lynn
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Hi all,
Ive just changed my spark plugs and the plug I took out of cylinder 1 was covered in oil.
My engine has covered 108k, would the oil on the plug be associated with engine wear or just a leak somewhere?
There is no smoke through the exhaust or anything and it doesnt get through excess oil either.
Any ideas at all??
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| spike_202 wrote: |
| My Powerflow is quite loud but then again it's on ITBs and has a decat. |
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Posted: Sun Feb 06, 2011 10:13 am |
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Joined: Feb 10, 2010
Posts: 4014
Trade Rating: +2
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Could it be a piston ring thats gone?
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Posted: Sun Feb 06, 2011 10:17 am |
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Joined: Feb 07, 2010
Posts: 5348
Trade Rating: +33
Location: Kings Lynn
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Hope not Rich 
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| spike_202 wrote: |
| My Powerflow is quite loud but then again it's on ITBs and has a decat. |
Audi Sport | |
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Posted: Sun Feb 06, 2011 10:22 am |
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Joined: Feb 10, 2010
Posts: 4014
Trade Rating: +2
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Just spoke to my dad, he said it could have leaked in there from the top when you have topped it up or serviced it last time, if its not using oil i wouldnt worry too much, best bet is to take it back out in a week or so's time and see if there's anymore, if not, happy days lol
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Posted: Sun Feb 06, 2011 10:26 am |
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Joined: Feb 07, 2010
Posts: 5348
Trade Rating: +33
Location: Kings Lynn
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Ah thats re-assuring! Good plan, ill check in the week 
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| spike_202 wrote: |
| My Powerflow is quite loud but then again it's on ITBs and has a decat. |
Audi Sport | |
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Posted: Sun Feb 06, 2011 10:29 am |
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Joined: Jan 13, 2011
Posts: 664
Trade Rating: 0
Location: aldershot
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Haynes manual claim if the plug is black and oily, then it is likely that the engine is fairly worn and the mixture is too rich
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Posted: Sun Feb 06, 2011 11:07 am |
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Joined: May 31, 2010
Posts: 164
Trade Rating: 0
Location: yorkshire
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head gasket they dont always boil over but the can leak oil to the piston just depends where its gone get a compression test and the you will no where you stand
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| Signature removed due to size | |
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Posted: Sun Feb 06, 2011 11:47 am |
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Joined: Feb 11, 2010
Posts: 657
Trade Rating: +4
Location: newcastle upon tyne
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was your socket covered in oil when u took the plug out?
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Posted: Sun Feb 06, 2011 11:52 am |
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Joined: Jun 21, 2010
Posts: 1425
Trade Rating: +1
Location: Not Leeds or its surrounding areas!
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| stevedude wrote: |
| Haynes manual claim if the plug is black and oily, then it is likely that the engine is fairly worn and the mixture is too rich |
It's pretty unlikely to be running rich on just one cylinder. Check for head hasket leaks first, if it's not in the coolant, then check the oil cap for gunge, but getting th compression checked would be best.
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| This 206 IS going on a trackday despite it's every effort to stay at home in the garage! | |
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Posted: Sun Feb 06, 2011 11:55 am |
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Joined: Feb 07, 2010
Posts: 7209
Trade Rating: +14
Location: Stevenage
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If it is a piston ring I would of thought you would have blue smoke coming from the exhaust.
How much oil is it using? Are you sure you havent over filled as well.
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Posted: Sun Feb 06, 2011 11:55 am |
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Joined: Feb 07, 2010
Posts: 5348
Trade Rating: +33
Location: Kings Lynn
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Coolent and oil have always been fine, and today was no exception 
The socket was clean when it came out.
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| spike_202 wrote: |
| My Powerflow is quite loud but then again it's on ITBs and has a decat. |
Audi Sport | |
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Posted: Sun Feb 06, 2011 12:06 pm |
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Joined: Apr 15, 2010
Posts: 514
Trade Rating: +1
Location: Eastbourne
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oily plugs can be spliiage, leaking valve guides (part of the head) rings but to be honest if its not using oil , it drives ok, no oil in the water and no smoke then i wouldnt worry
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| *DEAD*206 Gti 138
Toyota Celica T sport 205 BHP | |
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Posted: Sun Feb 06, 2011 12:37 pm |
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Joined: May 31, 2010
Posts: 164
Trade Rating: 0
Location: yorkshire
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| D4NTP wrote: |
| stevedude wrote: |
| Haynes manual claim if the plug is black and oily, then it is likely that the engine is fairly worn and the mixture is too rich |
It's pretty unlikely to be running rich on just one cylinder. Check for head hasket leaks first, if it's not in the coolant, then check the oil cap for gunge, but getting th compression checked would be best. |
not alwats the case a blown head can leak to 1 cilinder or even blow between 2 cilinders a compression test will only find a blown gasket if the gasket is blown between 2 clinders ie 1 n3 2 pitons will be low on compression while 2 are as normal, the normal reading of compression is around 150 or around that region. if the gasket is gone then coolent can gat to the cilinder this would course the spark plug to hit and miss! and this will result in a oiled up plug!! or a plug thats ont running rite
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| Signature removed due to size | |
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Posted: Sun Feb 06, 2011 1:29 pm |
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Joined: Jun 21, 2010
Posts: 1425
Trade Rating: +1
Location: Not Leeds or its surrounding areas!
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| jase123 wrote: |
| D4NTP wrote: |
| stevedude wrote: |
| Haynes manual claim if the plug is black and oily, then it is likely that the engine is fairly worn and the mixture is too rich |
It's pretty unlikely to be running rich on just one cylinder. Check for head hasket leaks first, if it's not in the coolant, then check the oil cap for gunge, but getting th compression checked would be best. |
not alwats the case a blown head can leak to 1 cilinder or even blow between 2 cilinders a compression test will only find a blown gasket if the gasket is blown between 2 clinders ie 1 n3 2 pitons will be low on compression while 2 are as normal, the normal reading of compression is around 150 or around that region. if the gasket is gone then coolent can gat to the cilinder this would course the spark plug to hit and miss! and this will result in a oiled up plug!! or a plug thats ont running rite |
point taken, BUT if coolant was getting into the cylinder the car would be white smoking. so it's, again, doubtful
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| This 206 IS going on a trackday despite it's every effort to stay at home in the garage! | |
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Posted: Mon Feb 07, 2011 1:51 am |
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Joined: Apr 15, 2010
Posts: 514
Trade Rating: +1
Location: Eastbourne
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| D4NTP wrote: |
| jase123 wrote: |
| D4NTP wrote: |
| stevedude wrote: |
| Haynes manual claim if the plug is black and oily, then it is likely that the engine is fairly worn and the mixture is too rich |
It's pretty unlikely to be running rich on just one cylinder. Check for head hasket leaks first, if it's not in the coolant, then check the oil cap for gunge, but getting th compression checked would be best. |
not alwats the case a blown head can leak to 1 cilinder or even blow between 2 cilinders a compression test will only find a blown gasket if the gasket is blown between 2 clinders ie 1 n3 2 pitons will be low on compression while 2 are as normal, the normal reading of compression is around 150 or around that region. if the gasket is gone then coolent can gat to the cilinder this would course the spark plug to hit and miss! and this will result in a oiled up plug!! or a plug thats ont running rite |
point taken, BUT if coolant was getting into the cylinder the car would be white smoking. so it's, again, doubtful |
correct but if the oil is goin in to the water it goes round the header and rad, so wouldnt smoke
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| *DEAD*206 Gti 138
Toyota Celica T sport 205 BHP | |
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