Saggy102

Mazda CX5 Diesel in Engine Oil - DPF or Injector Issue?

Hello Mazda community, I've been experiencing an issue with my CX5 where I'm finding diesel in the engine oil, which is causing the oil level to rise and become diluted. I'm suspecting that this could be due to the car constantly trying to regenerate the DPF filter or possibly a dripping injector. Has anyone else encountered a similar problem? Any insights would be greatly appreciated.

A Mazda CX5 owner is experiencing diesel contamination in the engine oil, leading to increased oil levels and dilution. The suspected causes are frequent DPF regeneration attempts or a leaking injector. Suggested solutions include monitoring DPF regeneration frequency, checking for clogs, and considering cleaning or replacing the DPF if needed.

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Check if your vehicle has been frequently attempting DPF regeneration by monitoring the dashboard indicators or using a diagnostic tool. If regeneration is happening too often, it could lead to diesel mixing with the oil. Ensure the DPF is not clogged and consider having it cleaned or replaced if necessary. Let me know how it goes or if you have further questions.

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MAZDA

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CX5