claraweiss1
Skoda Yeti Diesel Engine Issues
Summary of the thread
The 2011 Skoda Yeti diesel is experiencing reduced engine power, a check engine light, smoke during acceleration, rough running, increased fuel consumption, jerking, and a loud hissing sound. These symptoms suggest a potential issue with the EGR valve, possibly accompanied by a vacuum leak. A qualified mechanic confirmed the EGR valve as the cause, and after repair, the vehicle's performance improved.
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4 comment(s)
claraweiss1 (community.author)
Thank you for your insights. Regarding the vacuum leaks and catalytic converter, how did you check those components specifically? Did you observe any other symptoms besides the reduced power and check engine light?
hanssturm1
In my case, the check engine light was the first indicator, followed by the power loss. I didn't perform any diagnostics myself. Considering your symptoms, particularly the loud hissing, it does point towards a potential vacuum leak in conjunction with the EGR valve. Given the potential impact on the catalytic converter and the complexity of the recirculation system, I would suggest taking it to a qualified mechanic for a proper diagnosis.
claraweiss1 (community.author)
I appreciate you sharing your experience. It seems like the EGR valve is indeed the most likely culprit. I took it to a workshop, and they confirmed it. The automotive repair cost me 355€. Now my Skoda Yeti runs smoothly again.
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SKODA
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YETI
hanssturm1
I had a similar issue with my Skoda Yeti. I noticed reduced engine power and the check engine light illuminated on the dashboard. I also suspected the EGR valve. Have you checked for any vacuum leaks in the EGR system? It might be worthwhile to inspect the catalytic converter as well.