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hannah_knight1
Skoda Fabia Diesel Power Loss and Whistling Noise
4 comment(s)
hannah_knight1 (Author)
The whistling is definitely louder when accelerating. How did you eventually diagnose yours? Did you also get a 'check engine' light?
kurtknight8
Yes, mine was intermittent at first, but then the check engine light stayed on permanently. It was indeed a faulty wastegate. I tried checking the intercooler and all the pressure sensor connections, but no luck. Honestly, I'd recommend getting it checked by a workshop. They'll be able to properly diagnose it and confirm if it's the wastegate or something else causing the boost pressure issue.
hannah_knight1 (Author)
Took the Fabia to a local garage. They confirmed it was the wastegate. Repair cost me 860€. Ouch! But at least it's running smoothly now. Thanks for your help!
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kurtknight8
I had something similar with my Fabia. Is the whistling noise constant, or just when the engine is under load? Check the intercooler pipes for any splits or loose connections. That's where I'd start.