Engine System - Diagnosis and Tests/Diagnosing Engine Malfunctions DIAGNOSING ENGINE MALFUNCTIONS - CONTINUED Detonation or pre-ignition Water pump leaking Oil picked up by intake air stream (intake manifold) Dirty or faulty fuel injection nozzles Incorrect fuel injection pump timing Fuel injection nozzle tip holes enlarged Fuel injection nozzle tips broken Carbon build-up in compression chamber Seal ring or pump shaft worn Coolant temperature below normal Defective thermostat(s) Coolant temperature gauge defective Engine vibrating Fan blades bent Pump shaft worn CD,3274,G210,6 -19-15MAY92 210 7 CTM3274 (01JUL99) 210-7 Saran Liter Engines 060799 PN=330