Identical problem to the one posted, identical rpms. Had the turbo intercooler changed. Some oil in the turbo system but that seems to be normal. Anyway, I have no problem whatsoever except when I run in 5th gear and I require more power (up slope).
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Turbo manifold, blow off valve, waste gate, intercooler, turbo timer, piggyback or standalone ECU, most likely an all new exhaust system, new intake, filter. An oil cooler may be needed, as those turbo chargers are most likely cooled and lubricated by the oil in the engine, needing to be piped through the turbo itself.
There can be several reasons for this. You can have worn valve stem seals on the valves, which may change with warm oil, or you have worn oil rings in the cylinders.
A compression test when the engine is cold would reveal if the piston rings are worn. Another possibility could be a bad head gasket which leaks oil when cold and then seals when the heads warm. A compression test would also diagnose this.
If oil is accumulting inside the inetercooler, it means that the turbo-shaft seal is leaking causing oil to by pass in to the intake system, then through to your intercooler. A quick check to see if this is a fault, remove the hose/piping from the turbo the intercooler and place a piece of white paper over the hole at the turbo where the air is dispelled. Run the engine for a few minutes and if you notice any oil occuring/building up on the white papaer, then it is the turbo seal. This method is used on everything from jetskis to dump trucks. If no oil is present then the oil leak will be coming from somewhere else on the engine, and being sucked in through to the top of the intercooler. May have to remove it to see where any other leaks are coming from.
Hallo 1.Disconect lower hose from intercooler and oil (from 0,1 liter or more) (sometimes 1-2 liters) comes out, you should not drive it.(car had probably loose power) Change the turbine, oil and oil filter. do not forget to disconect lower hose and let oil drain out. Otherwise when new turbine is instald, the air flow will **** this oil inside the engine and distroy it. 2.your car is not designed to run without turbine and will not work like normal disel.(SDI). hope it helps Marko
take off pipe going to the intercooler from the turbo see if oil is found and clean then other pipe from incooler check it .if oil is found .drain oil in intercooler .you have an oil leak from the turbo this is why you will have light on far left of dash
from what you describe re turbo and blue smoke then you say impellor is loose?? this soundslike the tubo has failed because the oil seals have gone allowing oil loss to bearings due to entering the induction/manifold you will req a recon or new turbo and if yours is intercooled then the intercooler will req cleaning as will ind hoses when work is completed the smoke will be evident for a while due to exhaust system contamination especially catalytic ? i'm afraid these components are expensive and not really diy