Contents: 1. When trying to start, the engine…⇓ 2. The engine turns but does not…⇓ 3. A cold engine starts poorly ⇓ 4. A hot engine starts poorly ⇓ 5. Noise and crackling when the…⇓ 6. The engine starts and immediately…⇓ 7 Oil puddle under the engine ⇓ 8 Unstable idle speed ⇓ 9. Ignition failures at idle ⇓ 10. Ignition failures during…⇓ 11. The engine stumbles when…⇓ 12. Engine speed fluctuates with…⇓ 13. The engine stalls ⇓ 14. The engine does not develop power ⇓ 15. Reverse Flashes ⇓ 16. Detonation during engine…⇓ 17. The oil pressure warning light…⇓ 18. The engine continues to run…⇓
1. When trying to start, the engine does not rotate
1. Poor contact or corrosion of the battery terminal connections (chapter 1).
2. The battery is discharged or faulty (chapter 1).
3. The automatic transmission is not in "parking" mode (chapter 7B) or the clutch is not depressed (chapter 8).
4. There is a break or poor contact of wires in the starter circuit (chapter 5 and 12).
5. Seizure of the starter gear with the flywheel ring gear (chapter 5).
6. The starter solenoid is faulty (chapter 5).
7. The starter motor is faulty (chapter 5).
8. The ignition switch is faulty (chapter 12).
9. The teeth of the starter gear or ring gear are worn or broken (chapter 5).
2. The engine turns but does not start
1. There is no fuel in the tank.
2. The battery is discharged (the engine turns over slowly) (chapter 5).
3. Poor contact or corrosion in the battery terminal connections (chapter 1)
4. Fuel injectors are leaking, the fuel pump is faulty, the fuel pressure regulator is faulty, etc. (chapter 4).
5. Fuel does not reach the fuel rail (chapter 4).
6. The ignition system components are damp or faulty (chapter 5).
7. Spark plugs are faulty or poorly adjusted (chapter 1).
8. There is a break or poor contact of wires in the starter circuit (chapter 5 and 12).
9. The ignition distributor is loose and changes its timing (chapter 5).
10. Open or poor contact in the ignition coil circuits, or the coil is faulty (chapter 5).
11.. Breakage or delamination of the toothed belt (chapter 2).
13. The fuel pump relay or the relay electrical circuits are faulty (chapter 4).
3. A cold engine starts poorly
1. The battery is discharged (chapter 1).
2. Malfunction of the fuel system (chapter 4).
3. The injectors are leaking (chapter 4).
4. The ignition distributor rotor is faulty (chapter 5).
4. A hot engine starts poorly
1. The air filter is clogged (chapter 1).
2. Fuel does not enter the injection system (chapter 4).
3. Corrosion of the battery terminals, especially the negative terminal (chapter 1).
4. The fuel vapor removal system is faulty (chapter 6).
5. Noise and crackling when the starter is engaged
1. The teeth of the starter pinion or flywheel ring gear are worn or broken (chapter 5).
2. The starter mounting bolts are loose or missing (chapter 5).
6. The engine starts and immediately stalls
(Based on website data: MazBook)
1. Poor contact in the 8 connectors of the ignition distributor, in the coil or generator (chapter 5).
2. Insufficient fuel is supplied to the injectors (chapters 1 and 4).
3. Vacuum leak from the gasket between the intake manifold and the throttle body (chapters 1 and 4).
7 Oil puddle under the engine
1. The oil pan gasket or drain plug sealing washer is leaking (chapter 2).
2. The oil pressure sensor is leaking (chapter 2).
3. Leakage from under the valve covers (chapter 2).
4. The engine seals are leaking (chapter 2).
8 Unstable idle speed
1. Vacuum leak (chapters 2 and 4).
2. The exhaust gas recirculation valve is faulty (chapter 6).
3. The air filter is clogged (chapter 1).
4. The fuel pump does not supply enough fuel to the injectors (chapter 4).
5. The cylinder head gasket is leaking (chapter 2).
6. The timing belt or its pulleys are faulty (chapter 2).
7. The camshaft cams are worn out (chapter 2).
9. Ignition failures at idle
1. Spark plugs are faulty or incorrectly adjusted (chapter 1).
2. High voltage wires are faulty (chapter 1).
3. Vacuum leaks (eyes 1).
4. The ignition timing is incorrectly adjusted (chapter 1).
5. Low or uneven compression across cylinders (chapter 2).
10. Ignition failures during acceleration
1. The air filter or fuel system is clogged (chapter 1).
2. Low pressure in the fuel system (chapter 4).
3. Spark plugs are faulty or incorrectly adjusted (chapter 1).
4. The ignition timing is set incorrectly (chapter 5).
5. There is a crack in the ignition distributor cap, or the distributor components are faulty, or the wires are disconnected from the distributor (chapters 1 and 5).
6. High voltage wires are faulty (chapters 1 and 5).
7. Exhaust system components are faulty (chapter 4).
8. Low or uneven compression across cylinders (eyes 2).
9. Malfunction in the ignition system (chapter 5).
10. Vacuum leak in the fuel injection system (chapter 4), in the intake manifold (chapter 2A or 2B), in the injection control valve (chapter 6) or in vacuum hoses.
11. The engine stumbles when accelerating
1. Dirty candles (chapter 1).
2. Malfunction in the fuel injection system (chapter 4).
3. The air filter is clogged (chapters 1 and 4).
4. The ignition timing is set incorrectly (chapter 5).
5. Air leak in the intake duct (chapters 2 and 4).
12. Engine speed fluctuates with constant accelerator position
1. Air leak in the intake duct (chapters 2 and 4).
2. The fuel pump is faulty (chapter 4).
3. Poor contact in the injector wiring harness connectors (chapter 4).
4. The control unit or sensors are faulty (chapter 6).
13. The engine stalls
1. The idle speed is set incorrectly (chapter 1).
2. The fuel filter or fuel system is clogged (chapters 1 and 4).
3. The ignition distributor is damp or faulty (chapter 5).
4. The exhaust system components are faulty (chapter 4).
5. The spark plugs are faulty or incorrectly adjusted (chapter 1).
6. High voltage wires are faulty (chapter 1).
7. Vacuum leak in the intake manifold or vacuum hoses (chapters 2 and 4).
8. Incorrectly set valve clearances (chapter 1).
14. The engine does not develop power
1. The ignition timing is set incorrectly (chapter 5).
2. Runout of the distributor shaft (chapter 5).
3. The rotor is worn out, the distributor cap or wires are faulty (chapters 1 and 5).
4. The spark plugs are faulty or incorrectly adjusted (chapter 1).
5. Malfunctions in the fuel injection system (chapter 4).
6. The ignition coil is faulty (chapter 5).
7. The wheels are not released (chapter 9).
8. Incorrect fluid level in the automatic transmission (chapter 1).
9. Clutch slippage (chapter 8).
10. The fuel filter or fuel system is clogged (chapters 1 and 4).
11. The emissions control system is not working properly (chapter 6).
12. Low or uneven compression across cylinders (chapter 2).
13. The exhaust system is clogged with dirt (chapter 4).
15. Reverse Flashes
1. The emissions control system is not working satisfactorily (chapter 6).
2. The ignition timing is set incorrectly.
3. The secondary ignition circuit is faulty (crack in the spark plug insulator, faulty high-voltage wires, distributor cap or rotor) (chapters 1 and 5).
4. The fuel injection system is faulty (chapter 4).
5. Vacuum leak in the intake manifold, control valves or vacuum hoses (chapters 2 and 4).
6. Incorrect adjustment or sticking of valves (chapter 1).
16. Detonation during engine acceleration and increased load
1. Wrong type of fuel.
2. Incorrect ignition timing (chapter 5).
3. The fuel injection system is faulty (chapter 4).
4. The spark plugs are faulty or of the wrong type (chapter 1).
5. Worn or faulty ignition distributor components (chapter 5).
6. The gas recirculation valve does not work (chapter 6).
7. Vacuum leak (chapters 2 and 4).
8. The knock sensor is faulty (chapter 6).
17. The oil pressure warning light is on
1. Low oil level (chapter 1).
2. Short circuit in the electrical circuit (chapter 12).
3. The oil pressure sensor is faulty (chapter 2).
4. The engine bearing shells or oil pump are worn out (chapter 2).
18. The engine continues to run after the ignition is turned off
1. The injectors are leaking
2. Engine overheating (see item 24).
3. Carbon deposits on the piston crowns (chapter 2).