KRYOTEC ENGINE 17 EXCESSIVE WHITE SMOKE POSSIBLE CAUSE CORRECTION Internal engine damage (scuffed cylinder). Analyze engine oil and inspect oil filter to locate area of probable damage. Restriction in fuel supply side of fuel system. (Refer to Non-DTC Diagnostics/Drivability - Diesel - Diagnosis and Testing) for fuel system testing. EXCESSIVE BLUE SMOKE POSSIBLE CAUSE CORRECTION Dirty air cleaner or restricted turbocharger intake duct. Check Air Cleaner Housing for debris and replace filter as necessary Air leak in boost system between turbocharger compressor outlet and intake manifold. Service charge air system. Obstruction in exhaust manifold. Remove exhaust manifold and inspect for blockage. Restricted turbocharger drain tube. Remove turbocharger drain tube and remove obstruction. Crankcase ventilation system plugged. Inspect oil separator system for function and clear drain back hole in cylinder head cover/intake manifold Valve seals are worn, brittle, or improperly installed. Replace valve stem Oil seals Valve stems or guides are worn. Remove valves and inspect valves and guides. Broken or Improperly installed piston rings. Tear down engine and Inspect piston rings. Excessive piston ring end gap. Remove pistons and measure piston ring end gap Excessive cylinder liner wear and taper. Remove pistons and measure cylinder liner wear and taper. Cylinder damage. Remove pistons and inspect cylinder liner for cracks or porosity. Repair with new cylinder liner if necessary. Piston damage. Remove pistons and inspect for cracks, holes. Measure piston for out-of-round and taper. Turbocharger failure. Replace the turbocharger.
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