Engine System - Diagnosis and Tests/Diagnosing Engine Malfunctions DIAGNOSING ENGINE MALFUNCTIONS - CONTINUED Lack of engine power High oil consumption Air cleaner restricted or dirty Excessive resistance in air intake system Fuel filter restricted Defective fuel transfer pump Defective fuel injection pump Defective fuel injection nozzles Improper crankcase oil Engine overheated Engine clutch slipping Defective cylinder head gasket Lobes of camshaft worn Improper valve clearance Improper valve timing Burnt, damaged or stuck valves Weak valve springs Fuel injection pump incorrectly timed Piston rings and cylinder liners excessively worn Engine compression too low Improper coolant temperature Oil control rings worn or broken Scored cylinder liners or pistons Excessive resistance in air intake system Oil flow through oil passages restricted Worn valve guides or stems Too low viscosity crankcase oil Excessive oil pressure Piston ring grooves excessively worn Piston rings sticking in ring grooves Insufficient piston ring tension Piston ring gaps not staggered Excessive main or connecting rod bearing clearance Crankcase oil level too high External oil leaks Front and/or rear crankshaft oil seal faulty Glazed cylinder liners (insufficient load during engine break-in) Engine overheats Lack of coolant in cooling system Radiator core and/or side screens dirty Loose or defective fan belt Defective thermostat(s) Cooling system limed up Engine overloaded Fuel injection pump delivers too much fuel Damaged cylinder head gasket Fuel injection pump incorrectly timed Defective water pump Too low crankcase oil level Defective radiator cap CD,3274,G210,4 -19-15MAY92 210 5 CTM3274 (01JUL99) 210-5 Saran Liter Engines 060799 PN=328