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Cause
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Remedy
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Clogged air filter element.
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Replace element according to engine manufacturers recommendations.
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Obstructed air intake duct to turbo compressor.
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Remove obstruction or replace damaged parts as required.
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Obstructed air outlet duct from compressor to intake manifold.
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Remove obstruction or replace damaged parts as required.
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Obstructed intake manifold.
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Refer to engine manufacturers manual & remove obstruction.
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Air leak in duct from compressor to intake manifold.
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Correct leak by replacing seals or tightening fasteners as required.
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Air leak at intake manifold to engine joint.
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Refer to manufacturers manual & replace gaskets or tighten fasteners as required.
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Obstruction in exhaust manifold.
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Refer to engine manufacturers manual & remove obstruction.
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Restricted exhaust system.
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Remove obstruction or replace faulty components as required
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Gas leak in exhaust manifolds to engine joint
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Refer to manufacturers manual & replace gaskets or tighten fasteners as required.
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Gas leak in turbine inlet to exhaust manifold joint.
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Replace gasket or tighten fasteners as required.
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Fuel system defective or maladjusted.
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Refer to engine manufacturers manual - replace or adjust faulty component(s) as required.
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Fuel system defective or maladjusted.
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Refer to engine manufacturers manual - replace or adjust faulty component(s) as required.
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Engine camshaft timing incorrect.
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Refer to engine manufacturers manual & replace worn parts.
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Worn engine piston rings or liners (blowby).
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Refer to engine manufacturers manual & repair engine as required.
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Internal engine problem (valves, pistons).
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Refer to engine manufacturers manual and repair engine as required.
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Dirt caked on compressor wheel and/or diffuser vanes.
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Clean using a Non-Caustic cleaner & Soft Brush. Find & Correct source of unfiltered air and change engine oil & oil filter.
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|
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Find the correct cause of failure, replace turbocharger as required.
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Vane blockage on variable turbine geometry turbo.
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Find and correct cause of carbon build up on vanes, replace turbocharger as required.
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