Martin W
Organiser: South East
Premium Member
Registered: 10th Aug 09
Location: Welling, Greater London
User status: Offline
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hi guys,
went to a trackday at lydden hill today, as i was going round a tight corner and up a hill i had a load of white smoke flood out from the exhaust. believe i had an oil surge on the tight bend due to not having a baffled sump. cylinder 2's spark plug was wet. cleaned it off to stop it misfiring and made my way home slowly. when starting the car again at home i noticed i had no oil pressure 
i revved the engine to around 3k and it kicked in. has been doing this on nearly every start up since. the oil pump is brand new has been used for around a week light town driving ( 15 mins a day) and then 5 laps on this track day.
does anyone have any ideas why i have no pressure all of a sudden?
[Edited on 02-03-2013 by Martin W]
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andy_mk3
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Registered: 18th Dec 11
Location: Peterborough
User status: Offline
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Don't suppose you've checked the oil level have you? May have burnt a good drop of oil on the track day!
Failing that, an oil and filter change might be a good place to start, also check the pressure relief valve for any debris and scratches etc.
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Martin W
Organiser: South East
Premium Member
Registered: 10th Aug 09
Location: Welling, Greater London
User status: Offline
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quote:
Originally posted by andy_mk3
Don't suppose you've checked the oil level have you? May have burnt a good drop of oil on the track day!
Failing that, an oil and filter change might be a good place to start, also check the pressure relief valve for any debris and scratches etc.
it did burn a fair bit , its a little bit above the minimum mark now. was thinking the pressure relief valve but its a new pump. only way that would play up is due to dirty oil isnt it?
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andy_mk3
Member
Registered: 18th Dec 11
Location: Peterborough
User status: Offline
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Oil level shouldn't be an issue then.
Was the pump a pattern or genuine Vaux one? I know people have had problems with pattern ones in the past.
But if some dirt or swarf is in there then yeah it can cause issues with the PRV.
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Martin W
Organiser: South East
Premium Member
Registered: 10th Aug 09
Location: Welling, Greater London
User status: Offline
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id imagine it was a pattern one. never had any problems with it driving down there, just after it blew all the smoke out the exhaust.
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davegreen
Premium Member
Registered: 20th May 12
Location: Oxfordshire
User status: Offline
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ive had a patern part pump fall apart before. screws came loose as they hadnt been locktited in. also had 1 with a defective casting which lost pressure.
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andy_mk3
Member
Registered: 18th Dec 11
Location: Peterborough
User status: Offline
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Yeah pattern ones aren't know to be very great, I can't imagine track abuse will help much either 
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Martin W
Organiser: South East
Premium Member
Registered: 10th Aug 09
Location: Welling, Greater London
User status: Offline
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spoke to the people i bought it from, they are making all sorts of excuses why they dont want to return it, they reckon they've sold them for 10 years and not had 1 back faulty.. gonna have another look at the pressure relief valve that i couldnt get out before going any further
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monkeytwizzel
Member
Registered: 10th Aug 11
Location: Chard, Somerset
User status: Offline
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Check the oil pressure sensor also incase some crap has got in it,check the strianer,oil and filter change,good luck hope it`s not terminal.
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Martin W
Organiser: South East
Premium Member
Registered: 10th Aug 09
Location: Welling, Greater London
User status: Offline
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quote:
Originally posted by monkeytwizzel
Check the oil pressure sensor also incase some crap has got in it,check the strianer,oil and filter change,good luck hope it`s not terminal.
something must have got blocked cant see the pump giving up. a couple of times it wold read zero then shoot up to 42 then back down to around 5 which was odd.
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