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RAV4 Hybrid Engine Stalling

I'm having trouble with my 2022 Toyota RAV4 Hybrid. At 32330 km, the check engine light is on, and it occasionally stalls at idle. Engine power is also noticeably reduced. Diagnostics suggest a possible fuel volume regulator defect, maybe from a high-pressure pump malfunction. Has anyone else seen this with their RAV4 Hybrids?

A 2022 Toyota RAV4 Hybrid is experiencing engine stalling at idle, reduced power, and a check engine light at 32,330 km. Diagnostics suggest a potential issue with the fuel volume regulator, possibly due to a malfunctioning high-pressure fuel pump. Similar cases have been resolved by replacing the high-pressure fuel pump and the fuel volume regulator. It is recommended to have a qualified technician inspect the high-pressure fuel system to address the problem.

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4 comment(s)

I've seen similar issues reported on RAV4s (not sure of the year). Sounds like a fuel delivery problem. Have you checked for any codes beyond the check engine light? If the high-pressure fuel pump is going, it can definitely cause those symptoms. Rough idling, stalling, and power loss are all classic signs. A faulty fuel volume regulator could be the culprit if it's not maintaining proper fuel pressure.

Thanks for the insight. I only have the generic OBD-II code. Do you know if the cases you heard about also involved the fuel volume regulator, or just the high-pressure pump?

In the cases I'm familiar with, replacing the high-pressure fuel pump usually resolved the problem, along with the fuel volume regulator as it is often damaged as a consequence. Given your symptoms and the mileage, it's definitely worth having a qualified technician inspect the high-pressure fuel system. It is likely to be the root cause of your problem.

I appreciate the confirmation. I'll schedule an inspection at a workshop. I got an estimate of 1510€ for the repair. Thanks again.

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TOYOTA

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RAV4