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BBDriver
NX Hybrid Wastegate Defect
4 comment(s)
BBDriver (Author)
Thanks for the quick response! I haven't specifically checked the intercooler pipes for leaks, but I will definitely add that to my list. Regarding the pressure sensor readings, is there a specific range I should be looking for, or any particular anomalies that would indicate a problem? Any insights on where exactly the wastegate is located and whether it's accessible for a visual inspection?
eliassilver7
No worries! Honestly, without the proper equipment, diagnosing the pressure sensor readings can be tricky. As for the wastegate, it's buried pretty deep, and a visual inspection might not reveal much without disassembly. Given the symptoms and my past experience, I'd strongly recommend taking it to a reputable workshop with experience in hybrid systems. It sounds like your wastegate is failing, and you may risk further damage by driving with it. They can properly diagnose the issue and perform the necessary repairs.
BBDriver (Author)
Thanks for the advice! Took it to the local shop, and they confirmed a defect in the wastegate valve as suspected. Repair cost came to 860€, but at least it's fixed now!
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eliassilver7
Hey there! Your description sounds eerily familiar to an issue I had with my NX a while back. The whistling and hissing, combined with the loss of power, definitely points towards a boost problem. Have you checked the intercooler pipes for any leaks or damage? Also, might be worth taking a peek at the pressure sensor readings, if you have the means. In my case the check engine was also triggered!