Mazda 6 - The most common problems and failures and solutions to problems

Mazda 6

What are the most common Mazda 6 problems and failures and how to solve them?

Mazda 6 - ALL MODELS 
PROBLEM - Engine Malfunction Indicator Lamp (MIL) illuminates. The engine can run in forced mode.
CAUSE - Low battery voltage when starting the engine.
REPAIR - Charge or replace the battery. Clear the fault memory using the manufacturer's diagnostic equipment or equivalent.

Mazda 6 - ALL MODELS FROM 30/08/2008 
PROBLEM - The airbag control indicator flashes continuously.
CAUSE - Open circuit / short circuit or excessive / too low resistance in the front side electrical installations airbags.
REPAIR - Test electronics and mechanics components (as needed) to eliminate other possible causes. If no error is found: install modified side airbags as needed.

Mazda 6 - MODELS WITH GASOLINE ENGINES 
PROBLEM - Occasionally difficult to start the engine.
CAUSE - Weak connection between battery ground wire and chassis ground connection due to corrosion.
REPAIR - Clean / tighten the battery ground connector on the shock absorber bracket.

Mazda 6 - MODELS SA SOIL FILTER (DPF) 
PROBLEM - The particulate filter (DPF) control lamp flashes.
CAUSE - Soot Particle Filter (DPF) clogged. Engine oil contaminated with diesel fuel.
REPAIR - Initiate forced regeneration Particulate Filter (DPF), using manufacturer's diagnostic equipment or the like. Replace engine oil and filter.

Mazda6 - MZR-CD MODELS 
PROBLEM - A cold engine hardly starts and shuts down. Occasionally loses strength.
CAUSE - Faulty fuel pressure control solenoid valve.
REPAIR - Install a new fuel pressure control solenoid valve. Replacements are only available from the manufacturer "Denso".

Mazda 6 - MODELS 2.5 
PROBLEM - Improper idling, restless engine operation and shutdown when stopping the vehicle.
CAUSE - Intake valve housing dirty.
REPAIR - Remove the valve body. Clean dirt deposits from the valve body. Put the valve body back on. Replace the valve body seal. Perform the valve control unit initialization as follows: Turn the ignition ON. Wait 1 minute. Turn the ignition OFF. Wait 1 minute. Start the engine. Let the engine idle. Electrical equipment must be switched off. Allow the engine to reach normal operating temperature. Check that the idle speed remains within the specification. Important: DO NOT clean the valve shaft or spray the cleaning spray directly into the valve body.

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Mladen

Hi there, I am Mladen and I am an auto enthusiast. I started this blog years ago to help like minded people share information about latest cars, car servicing ideas, used car info, exotic cars, and auto technology. You will find helpful articles and videos on a wide variety of cars - Audi, Mercedes, Toyota, Porsche, Volvo, BMW and much more. Ping us if you have anything cool to share on latest cars or on how to make older cars more efficient, or just want to say hi!