Alexis

Blue smoke in Mazda 3 - Turbo problem?

Hi all, I have a Mazda 3 and have recently noticed that it is blowing bluish smoke out of the exhaust pipe. I have refurbished several parts of the car including the turbo but the problem persists.Does anyone have any idea what could be causing this.Could it be a problem with the turbo despite having it refurbished? Any help would be appreciated.

(Translated from Spanish)

A Mazda 3 is emitting bluish smoke from the exhaust, which typically indicates oil burning in the combustion chamber. Despite refurbishing the turbo, the issue persists, suggesting other potential causes such as worn piston rings, valve seals, or a faulty PCV system. A compression test is recommended to assess the piston rings, followed by an inspection of the PCV system if the test results are normal.

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1 comment(s)

Bluish smoke from the exhaust usually indicates oil burning in the combustion chamber. This could be due to worn piston rings, valve seals, or a faulty PCV system. Since you've already refurbished the turbo, it's less likely to be the cause. I'd suggest starting with a compression test to check the condition of the piston rings. If the test results are normal, inspect the PCV system next. Please update us on your progress.

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MAZDA

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