jonathanhuber69

Creta charge air temperature sensor issue

I have a 2021 Hyundai Creta with a gasoline engine and 34058 km. The check engine light is on, engine power is reduced, and there's a whistling noise that turns into a loud hissing sound when I accelerate. Diagnostic scans show a charge air temperature sensor error. I suspect a defective cable or plug connection. Any similar experiences?

A 2021 Hyundai Creta owner experienced a check engine light, reduced engine power, and a whistling noise escalating to a hissing sound upon acceleration. Diagnostic scans indicated a charge air temperature sensor error, leading to suspicions of a defective cable or plug connection. After a visual inspection showed no visible damage, a professional workshop confirmed a defective cable connection to the sensor, which was repaired, resolving the issue.

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4 comment(s)

I own a Creta too, though not the same year. Your description sounds like an issue I had. The 'charge air' is the air compressed by the turbocharger or supercharger. The sensor measures its temperature. If it's faulty, it can cause those symptoms. Have you checked the sensor's wiring harness for damage or loose connections? A visual inspection might reveal something.

Thanks for the quick reply. I visually inspected the wiring harness but didn't see any damage. Could you share details about your Creta issue, including symptoms and troubleshooting steps?

My symptoms were nearly identical: check engine light, power loss, and a hissing sound. I checked hoses and connections, but ultimately took it to a trusted workshop. They diagnosed the problem quickly. Since you've checked the wiring, I'd recommend a professional diagnostic assessment. It could save time and prevent complications.

Thanks for the advice. I took the vehicle to a workshop, and they confirmed a defective cable connection to the charge air temperature sensor. The repair cost 95€. The issue is resolved. Thanks again for your help.

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HYUNDAI

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CRETA