Sign | Probable Cause | Remedy |
| Low compression in engine cylinders | The breaking of the cylinder head gasket | Replace the gasket |
| Worn or damaged piston rings | Replace the rings |
| Worn the piston or cylinder | Repair or replace the piston and / or cylinder block |
| Worn or damaged valve seat | Repair or replace the valve seat and / or valve |
| Low oil pressure | Low engine oil level | Check the engine oil level |
| Faulty oil pressure switch | Replace the oil pressure sensor |
| Dirty oil filter | Replace the oil filter |
| Worn gear oil pump or cover | Replace the oil pump or cover |
| Liquid Engine Oil | Change the engine oil |
| Open the safety valve | Repair safety valve |
| Increased bearing clearances | Replace bearing shells |
| High pressure oil | Closed relief valve | Repair safety valve |
| Vibration Motor | Do not tighten the engine support (front and back) | Torque tighten the engine mount |
| Do not tighten the bracket gearbox | Torque tighten the bracket gearbox |
| Do not tighten the sub-frame bracket | Torque tighten the sub-frame bracket |
| Not tightened central support | Torque tighten the central support |
| Damaged gearbox support | Replace gearbox support |
| Damaged support sub-frame | Replace the sub-frame support |
| Damaged shaft bearings | Replace the shaft bearing |
| Noise valves | Liquid Engine Oil | Change the engine oil |
| Worn or damaged valve stem or the valve guide sleeve | Replace valves or valve guides |
| Stookey connecting rod or crankshaft bearing | Insufficient oil supply | Check the engine oil level |
| Liquid Engine Oil | Change the engine oil |
| Increased bearing clearance | Replace bearing shells |
| The noise emitted by a toothed belt | Incorrect toothed belt tension | Adjust the tension of the toothed belt |
| Low coolant level | Leaking coolant: rusted or cracked hoses (radiator hose, heater hose, etc.) | Replace or tighten the clamps |
| Faulty valve radiator cap | Replace the radiator cap |
| Faulty thermostat casing | Replace the gasket or casing |
| Damaged core radiator | Replace |
| Faulty water pump or seal | Replace the seal or the water pump |
| Pollution radiator tubes | Foreign matter in the coolant | Replace coolant |
| High coolant temperature | Faulty thermostat | Replace the thermostat |
| Defective radiator cap | Replace the radiator cap |
| Clogged pipes or hoses of the cooling system | Replace or clean clogged the cooling system |
| Loose or torn drive belt | Adjust tension or replace the belt |
| Faulty water pump | Replace the water pump |
| Faulty coolant temperature sensor | Replace the coolant temperature sensor |
| Faulty electric radiator fan | Replace or repair the radiator fan |
| Faulty sensor radiator | Replace sensor radiator |
| Not enough coolant | Top up the coolant |
| Low coolant temperature | Faulty thermostat | Replace the thermostat |
| Faulty coolant temperature sensor or its wiring | Replace the coolant temperature sensor |
| It does not work the electric radiator fan | Faulty coolant temperature sensor, fan motor, radiator fan relay, wiring or fuse | Replace or repair damaged components |
| Leaking exhaust gases | Loose connections | Tighten |
| Damaged pipe or muffler | Replace or repair pipe or muffler |
| Background noise from the exhaust system | Damaged partition in muffler | Replace Muffler |
| Damaged rubber support | Replace rubber mount |
| The pipe or muffler contact with body | Adjust the position of the exhaust system |
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