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2000 seat leon missfireing and reaally really smoky
- Thread starter mikeyb86
- Start date
Why did you replace the engine ?
Where did you source the replacement ?
If the previous engine failed what were the circumstances of the failure?
Have you had the cylinder head off or was the new engine sealed and complete ?
White smoke normally indicates oil getting into the exhaust via hot side turbo turbine bearing and oil sealing ring .
Normally if oil is getting into the combustion chamber the smoke will be blue rather than white.
If the previous engine failed in mega fashion then your exhaust pipe , oxy sensor and cat may be filled with engine oil which is burning off . Did the previous engine hole a piston or have a mega turbo failure?
Where did you source the replacement ?
If the previous engine failed what were the circumstances of the failure?
Have you had the cylinder head off or was the new engine sealed and complete ?
White smoke normally indicates oil getting into the exhaust via hot side turbo turbine bearing and oil sealing ring .
Normally if oil is getting into the combustion chamber the smoke will be blue rather than white.
If the previous engine failed in mega fashion then your exhaust pipe , oxy sensor and cat may be filled with engine oil which is burning off . Did the previous engine hole a piston or have a mega turbo failure?
hi thank you for your reply the old engine died due to oil starvation then causing it to sieze whilst driving it i sourced a basic engine block only and used all the bits of my engine including turbo if this is the case would changing the turbo solve this also my turbo was making aa ratleing noise then its stoped now i cant here the turbo doing anything and now the car wont idle is missfireing and smoking sooo bad
Dont run the engine until you get the turbo overhauled or replaced . Your oil is going straight out of the turbo hot side into the exhaust and you will run the sump empty again very quickly and damage your new engine .
What was the state of the cams and cam journals like in the head ?
You can source turbo rebuild kits on ebay circa £100 ( they are only suitable if the turbine and compressor wheels are undamaged and the compressor housing ditto .
Beach Buggy turbos will rebuild your turbo circa £250 if its salvagable
if going DIY dont forget compressor wheel nut is normally a LEFT hand thread
What was the state of the cams and cam journals like in the head ?
You can source turbo rebuild kits on ebay circa £100 ( they are only suitable if the turbine and compressor wheels are undamaged and the compressor housing ditto .
Beach Buggy turbos will rebuild your turbo circa £250 if its salvagable
if going DIY dont forget compressor wheel nut is normally a LEFT hand thread
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Assuming the short engine you instaled was sound and that the head/ cams etc are not damaged from lack of oil and that you assembled every thing correctly yes it should be ok .
The thing is to get it running safely with out consuming its own oil and smoking . THEN we can safely run the engine for a while to record some fault codes in the self diagnosis system . This will enable us to diagnose the source of the mis fire by reading the codes ....... IF it is still misfiring ......... one thing at a time in priority order is the best route I would respectfully suggest .
We know from your account of the engines demise that the turbo has trashed its bearing from lack of oil . The turbo runs very very hot indeed and a brief period without oil will trash the bearings allowing pressure fed oil inside the turbo to escape directly into the exhaust pipe . This causes the white smoke you have described.
did you notice the condition of the cam lobs and followers and the cam journal bearings in the cylinder head on reassembly .........were they ok ?
The thing is to get it running safely with out consuming its own oil and smoking . THEN we can safely run the engine for a while to record some fault codes in the self diagnosis system . This will enable us to diagnose the source of the mis fire by reading the codes ....... IF it is still misfiring ......... one thing at a time in priority order is the best route I would respectfully suggest .
We know from your account of the engines demise that the turbo has trashed its bearing from lack of oil . The turbo runs very very hot indeed and a brief period without oil will trash the bearings allowing pressure fed oil inside the turbo to escape directly into the exhaust pipe . This causes the white smoke you have described.
did you notice the condition of the cam lobs and followers and the cam journal bearings in the cylinder head on reassembly .........were they ok ?
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the condition of the engine i have been assured it is was verry good engine also its not using any oil the oil level seems good one other thing is the coolant is actuly emptying from the back of the engine as quickly as im filling it from the tank i canot see were its coming from has anyone got any idea were this could be leaking from its a very fast leak and will empty the bottle in a minit or 2 even with the car switched off any help greatly appriciated
I've only had a quick look at your thread mate but Problem sounds pretty obvious to me,your losing water as fast as you can fill the tank and your blowing white smoke everywhere,your problem isn't your turbo mate your engines burning the water off,it's steam coming out the back not smoke,I'd say you've got a head gasket problem or been fitted wrong somewhere,take the plugs out and see if one looks different.
Just had another read through,think your first port of call is to locate the leak and that will address both problems. Hope it's something silly and an easy fix mate.
The turbo has gone................... as the poster says that it was infact noisy at the death of his previous engine, ,which had siezed through lack off oil in the engine. A turbo will not survive that event intact and serviceable , it also accounts for the loss of oil and WHITE smoke.
it also says its not using any oil,the oil level is fine and since when has burning oil been white anyway?
and yeah turbo is more than likely shagged i presumed he'd changes that by now but still doesnt explain the water loss does it
Burning oil is white if it comes through the hot side turbo bearing direct into the exhaust . The exhaust and the cat will be full of oil from the demise of his last engine and the turbo . He has only run the new engine briefly due to the smoke . Not long enough to empty the sump noticably . The water loss is connected to the recent engine change . The turbo is connected to the previous engine failure . I think in the circumstances of the posters engine siezing and no oil being present in the sump , a noisy turbo etc that we can trust him to diagnose the difference between water vapour and smoke in this instance. The quantity of water being lost would hydraulic lock the engine and bend a con rod if it was going thro the combustion chambers so it sounds like an assembly issue with the engine swap to me .
Some what puzzled by the combative nature of your posting
Some what puzzled by the combative nature of your posting
no like i said it is definitly smoke coming from the exhaust and i no the coolant leak is not engine related as its not just happening wen the engine is running like i said from cold if i fill up it emptys without starting the car its a verry bad leak and it comes out as quick as i fill it also the car i no the turbo is f£$%ked as its not spooling up i no the 2 [problems are not related i am pretty sure the leak is a split pipe but can any point me to which one it could be considering it leaks whilst theengine is not running any help greatly apriciated
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