Engine System - Diagnosis and Tests/Diagnosing Engine Malfunctions DIAGNOSING ENGINE MALFUNCTIONS - CONTINUED Low oil pressure White exhaust smoke Low crankcase oil level Leakage at internal oil passages Defective oil pump Excessive main and connecting rod bearing clearance Improper regulating valve adjustment Improper crankcase oil Defective oil pressure warning switch or engine oil pressure indicator light Engine compression too low Defective fuel injection nozzles Fuel injection pump incorrectly timed Defective thermostat(s) (does not close) Coolant in crankcase Cylinder head gasket defective Cylinder head or block cracked Cylinder liner seals leaking High oil pressure Oil pressure regulating valve bushing loose (wanders) Stuck or improperly adjusted regulating valve Stuck or damaged filter by-pass valve Abnormal engine noise Fuel injection pump incorrectly timed Worn main or connecting rod bearings Excessive crankshaft end play Loose main bearing caps Foreign material in combustion chamber Worn connecting rod bushings and piston pins Scored pistons Worn timing gears Excessive valve clearance Worn cam followers Bent push rods Worn camshaft Worn rocker arm shaft Insufficient engine lubrication Worn turbocharger bearings Excessive fuel consumption Engine overloaded Compression too low Leaks in fuel system Air cleaner restricted or dirty Fuel injection nozzles dirty or faulty Fuel injection pump defective (delivers too much fuel) Fuel injection pump incorrectly timed Black or grey exhaust smoke Excess fuel Engine overloaded Air cleaner restricted or dirty Defective muffler (causing back-pressure) Fuel injection nozzles dirty or faulty Incorrect engine timing CD,3274,G210,5 -19-15MAY92 210 6 CTM3274 (01JUL99) 210-6 Saran Liter Engines 060799 PN=329