piawerner65

Kicks engine power loss hissing noise

My 2021 Nissan Kicks gasoline engine with 182537 km is having issues. The check engine light is on, engine power is reduced, and engine response is poor. I also hear a whistling noise that turns into a loud hissing when accelerating. Sometimes the engine stalls at idle, and fuel consumption has increased. Could this be related to a defective electrical bypass valve?

A 2021 Nissan Kicks is experiencing engine power loss, poor response, increased fuel consumption, and a hissing noise when accelerating. The issue may be related to a defective electrical bypass valve or a stuck turbo wastegate actuator valve, potentially causing a boost leak. It is advised to have the vehicle inspected at a workshop to diagnose and resolve the problem.

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4 comment(s)

Sounds eerily familiar! I had very similar symptoms with my Kicks. Reduced power, that awful hissing... It really feels like the car's gasping for air, doesn't it? Have you noticed if the whistling/hissing gets worse under load? Did you check if the turbo wastegate actuator valve is moving freely? I'd bet it's stuck and you have a boost leak somewhere.

Thank you for your reply. I haven't checked the turbo wastegate actuator valve. Could you please provide more details on how to check it and confirm the location of the hissing noise?

Unfortunately, checking the turbo wastegate actuator valve isn't straightforward without proper tools. It's kinda like trying to diagnose a leaky faucet without seeing the pipes. And the hissing sound? Could be a hose that's popped off, or even the valve itself has failed. Seriously, with those symptoms and the mileage you've got, a workshop is your safest bet. Probably the boost pressure actuator fault as you suspected.

I appreciate the advice. I will take my car to a workshop for inspection. Thank you for the confirmation regarding the likely cause.

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NISSAN

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KICKS