What are the symptoms of a faulty turbo blow-off valve?

1 Answers
DonovanMarie
07/24/25 7:49am
The most obvious manifestation of a damaged turbo blow-off valve is insufficient power, which can cause poor engine performance. Jerking sensations may occur during acceleration or deceleration, with white or blue smoke coming from the exhaust pipe, increased fuel consumption, and unstable turbo pressure. The functions of the turbo blow-off valve are as follows: 1. The main function of the blow-off valve is to protect the turbo by utilizing the pressure difference of air to open the blow-off valve (inside the turbo body) when the exhaust gas pressure is too high, allowing the exhaust gas to be discharged through the blow-off valve instead of passing through the turbo. 2. The blow-off valve, also known as a safety valve, can automatically open and close based on the system's working pressure. It is generally installed at the closed ends of equipment or pipelines to protect the safety of the road protection system. 3. When the pressure in the equipment or pipeline exceeds the set value of the blow-off valve, it will automatically open.
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