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raphaelmueller13

Skoda Octavia Diesel Engine Issues

I am experiencing issues with my 2012 Skoda Octavia diesel. Symptoms include poor starting, increased fuel consumption, reduced engine power, and uneven idling, sometimes even stalling. I suspect a defective injection nozzle, possibly due to a dirty injection valve. Has anyone else encountered a similar issue? I'm concerned about potential long-term effects on vehicle performance and emissions.

Summary of the thread

The conversation revolves around a 2012 Skoda Octavia diesel experiencing poor starting, increased fuel consumption, reduced engine power, and uneven idling, potentially due to a defective injection nozzle. The issue is suspected to be linked to a dirty injection valve, with a misfire on cylinder 3 confirmed by an OBD2 scanner. A similar case was shared, where a faulty injector was identified as the cause. The suggested solution is to have the injection nozzles inspected and repaired to prevent further engine damage and improve performance.

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4 comment(s)

viviensilber5

That does sound problematic. I own a Skoda Octavia, and I experienced similar symptoms not too long ago. Rough idling, diminished performance, and increased fuel consumption were my main indicators. Have you checked for any error codes using an OBD2 scanner? A misfire could trigger the check engine light.

raphaelmueller13 (community.author)

Yes, the check engine light is on, and the OBD2 scanner indicates a misfire on cylinder 3. Did the error code you received also point to a specific cylinder? And did it mention anything about emissions?

viviensilber5

Indeed, the error code specified a misfire on cylinder 2 in my case. The mechanic confirmed that the injection nozzle was the culprit. Given your symptoms and the misfire code, a faulty injector seems highly probable. I recommend taking your vehicle to a workshop for a proper diagnosis and repair. Ignoring it could lead to more severe engine damage and gasoline wastage.

raphaelmueller13 (community.author)

Thank you for sharing your experience. It proved invaluable. I had the injection nozzles inspected, and indeed, one was defective. The repair cost was 515€. Now the vehicle is running smoothly again. I appreciate your help.

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SKODA

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OCTAVIA