Vehicle Troubleshooting Mazda 626 (6)

General information about troubleshooting
This section is a quick guide to troubleshooting the most common problems with vehicle systems. These faults are grouped under headings that relate to specific...

Engine fault diagnostics
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...

Diagnostics of engine electrical equipment
19. The battery doesn't hold a charge 1. The alternator belt is faulty or poorly tensioned ( chapter 1 ). 2. Low electrolyte level in the battery ( chapter 1 ). 3. The...

Fuel system diagnostics
22. Increased fuel consumption 1. The air filter is clogged ( chapter 1 ). 2. The ignition timing is set incorrectly (chapters 1 and 5 ). 3. The emission control system...

Cooling system diagnostics
24. Engine overheating 1. Low coolant level ( chapter 1 ). 2. Dirt in the radiator tubes, the radiator core is clogged ( chapter 3 ). 3. Thermostat is faulty ( chapter 3...

Clutch diagnostics
30. The pedal goes to the floor without resistance 1. There is no liquid in the tank ( chapter 1 ). 2. The clutch master or slave cylinder or the pipeline is faulty (...

Diagnostics of a manual transmission
38. Knocking at low speeds 1. The constant velocity joints (CV joints) of the drive shafts are worn out ( chapter 8 ). 2. The hole for the drive shaft in the...

Automatic transmission diagnostics
Note: Due to the complexity of the automatic transmission design, it is difficult for the home mechanic to diagnose or repair problems other than those listed below. For...

Diagnostics of drive shafts
55. Clicking sounds when turning The outer constant velocity joint is worn or damaged ( chapter 8 ). 56. Shaking or vibration during acceleration 1. Excessive wheel...

Brake system diagnostics
Note: Before assuming brake failure, make sure that: a) Tires in good condition are incorrectly inflated. b) The front of the car is in good condition. c) The vehicle is...

Suspension and steering diagnostics
Note: Before troubleshooting suspension and steering problems, perform the following preliminary checks. a) Pressure and uniformity of tire wear. 6) Wear and tightening...

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More sections on repairs of other Mazda models
• User manual: Faults en route Mazda3 BK (2003-2009)
• User manual: Faults en route Mazda6 GG (2002-2008)
• Electrical equipment: Troubleshooting Mazda 121 (3) (1996-2003)

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Capella 5 (1991-1997)