Is engine oil burning in older Changan Karvaan models leading to blue smoke and higher emissions in Pakistan?

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Is engine oil burning in older Changan Karvaan models leading to blue smoke and higher emissions in Pakistan?

Oil leaks into the combustion chamber may signal ring o r valve seal damage. Are owners delaying repair due to cost o r unawareness?

Sandeep asked on 26 Jun 2025 15:56:40 pm

1 Answer

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Car Mechanic Expert - on 26 Jun 2025 16:06:50 pm

Yes, especially after 60,000–100,000 km:

Blue smoke indicates engine oil entering combustion chambers, usually due to:

Worn piston rings

Valve seal failure

Oil consumption is often not noticed until symptoms appear.

Many owners delay repairs due to cost, lack of awareness, o r fear of major engine work.

⛔ Conclusion: Oil burning is a serious issue that raises emissions, and is worsened by delayed engine diagnostics.