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Mazda 6 2.2 MZR-CD engine knocking noise. Do you have any idea where it could come from ? : r/mazda6
A 184,000 miles 2009 Mazda 6 2.2 diesel in need of a DPF clean. Diagnostics revealed a faulty DPF Pressure Sensor and a failed EGR valve. A successful... | By Engine Carbon
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DRIVEN: Mazda 6 2.2L SkyActiv-D - what to expect from the upcoming Mazda diesel range in Malaysia - paultan.org
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