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Oil into the engine intake pipes and intake manifold

The main symptom of the wear of a turbocharger is the leakage of engine oil into the air intake pipes of the drive unit. In most cases, the culprit for this situation in the turbocharger seals, which are subject to natural wear and lubricating oil is actually should lubricate the turbocharger is in some or all air ducts. In this case, the turbocharger must be overhauled or replaced with a new turbocharger. However, one should subject the engine before a thorough diagnosis, since a large amount of oil can also mean a failure of the oil separator in the intake ducts.

In another sign of the failure of the turbocharger is black smoke from the exhaust. This may indeed be based on faulty injectors, but it is often a symptom for the failure of the turbocharger.By the administration of too little air in the combustion chambers, the fuel is not completely combusted thereby forming a specific black smoke. The fault may be on the side of the pressure control valve (vacuum box or wastegate) of the turbocharger or the rotor of the turbocharger is worn. Not enough air pumped can also imply that there is a leak between the turbocharger and the intake manifold.
 
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