KNOWN FAULTS · Mazda

Mazda Mazda6 (GH) common problems.

2008–2013 · Petrol / Diesel

Sources are not verified in real time and no entry confirms that your car is affected.

2 known faults with sources

Engines: 1.8 / 2.0 / 2.5 MZR (Petrol) · 2.0 / 2.2 MZR-CD (Diesel)

Mazda Mazda6 (GH) weak points from its inspection recordKnown weak points

Engine / equipment: Mazda Mazda6 (GH), all versions
Period mentioned: 2008–2012
Symptoms: Rust underneath (springs, wishbones, anti-roll bars, tank holder, subframes and rear exhaust) and brake discs wearing more than average.
Possible cause described: According to AUTO BILD, the GH rusts less than its predecessor, but mostly where it cannot be seen; it advises not buying one without a lift check.
Check for the garage: Before buying, or at the next service, have it checked on a lift: underbody, axles, brakes and lights.
Cost cited in the source: No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Engines: 2.0 / 2.2 MZR-CD (Diesel)

Applies if: The article is about the 2.2 diesel.

Oil diluted with diesel during particulate filter regenerations (Mazda6 GH 2.2 diesel on short trips)Engine

Engine / equipment: Mazda6 (GH) 2.2 diesel with particulate filter
Period mentioned: 2008–2012
Symptoms: The oil level rises on the dipstick instead of falling, especially on cars used mostly for short trips.
Possible cause described: According to AUTO BILD, it is the diesel’s only weak point: on short trips, diesel gets into the oil during particulate filter regeneration and dilutes it.
Check for the garage: Check the oil level with the engine cold; if it is above the maximum or smells of diesel, change the oil and filter. Make a long road trip now and then so the regeneration can finish.
Cost cited in the source: No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.