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sophiaweber1

Estima Charge Air Temperature Sensor Error

I'm getting a charge air temperature sensor error on my 2006 Toyota Estima diesel with 53745 km. Check engine light's on, power's way down. Plus, there's a whistling noise and loud hissing when I accelerate. Error code points to the sensor. I'm thinking it's a bad cable or plug. Any ideas before I dig in?

Summary of the thread

A 2006 Toyota Estima diesel is experiencing a charge air temperature sensor error, resulting in a check engine light, reduced power, and a whistling noise with loud hissing during acceleration. The issue is suspected to be related to a bad cable or plug. After inspection, it is confirmed that the problem was due to a defective cable connection to the sensor, which was repaired at a workshop.

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4 comment(s)

hannah_hoffmann8

Sounds like a pain. Is the hissing constant, or only under load? Have you checked the sensor's wiring for any obvious frays or loose connections? Start with the basics before assuming the sensor itself has gone bad.

sophiaweber1 (community.author)

The hissing is worse under load. I looked at the wiring, but didn't see anything obvious. I don't have the tools or know-how for a deep dive. Could it be something other than the sensor or wiring?

hannah_hoffmann8

Anything's possible, but those symptoms really point to the sensor or wiring. You could chase vacuum leaks, but honestly, save yourself the headache and get it checked by a professional. Probably a quick fix if it’s just the wiring.

sophiaweber1 (community.author)

Appreciate the advice. Took the Estima to a local workshop, and the cable connection to the charge air temperature sensor was indeed defective. Repair cost 95€, and it's fixed now.

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TOYOTA

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ESTIMA