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robinbecker90

Hiace Jerking Whistling Acceleration

My 2023 Toyota Hiace with a gasoline engine has a check engine light, jerks when accelerating, whistles, and sometimes stalls at idle. Fuel consumption is higher, and engine power feels reduced. Any ideas? Turbocharger or intake manifold?

Summary of the thread

A 2023 Toyota Hiace is experiencing jerking, whistling during acceleration, stalling at idle, reduced engine power, and increased fuel consumption, with a check engine light on. The problem is suspected to be related to the turbocharger or intake manifold. However, it is identified that a faulty boost pressure sensor or its connection could cause these issues. The solution involves checking and repairing the boost pressure sensor cable, which resolves the problem effectively.

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4 comment(s)

thomaswolf35

Sounds familiar! I had a similar issue with my Hiace. Jerking, whistling... Does it feel like the turbo isn't kicking in properly? Have you checked the boost pressure sensor? It might be a simple fix.

robinbecker90 (community.author)

Boost pressure sensor? Where is that located, and is it something I could check myself without special tools? Could a faulty sensor really cause all those problems?

thomaswolf35

Yes, a faulty boost pressure sensor can cause all those issues. I strongly suggest visiting a professional. In my case, the issue was a defective cable or plug connection. The workshop repair was 95€, and everything went back to normal.

robinbecker90 (community.author)

Thanks for the tip! I took it to a workshop, and you were spot on. It was indeed the boost pressure sensor cable. They fixed it for 95€, and it's running perfectly again. Appreciate the help!

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TOYOTA

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HIACE