What does it mean when the boost pressure drops at the throttle connection of the supercharger?

2 Answers
StErin
07/30/25 12:17am
It refers to the gradual decrease in pressure from the point where the air is compressed by the turbocharger to the front of the throttle during the engine's operation. This is normal due to pressure losses caused by friction or connections. Below are relevant details: 1. Turbocharger: A turbocharger consists of two parts: a compression turbine and an exhaust turbine. The working principle of a turbocharged engine is quite simple. When the engine reaches a certain speed, the exhaust gases have enough energy to drive the exhaust turbine to rotate, which in turn causes the compression turbine to rotate as well. This allows the compression turbine to compress air and blow it into the cylinders. 2. Precautions: After driving a turbocharged engine car at high speed or for a long distance, it is advisable not to turn off the engine immediately. Instead, let the engine idle for a few minutes to help cool down the turbocharger.
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OBlakely
08/16/25 4:34am
When I encounter the issue of a drop in supercharger throttle connection pressure, it usually indicates a problem with the turbocharging system, where the pressure in the intake pipe isn't high enough, affecting the engine's air intake. It's like my car's acceleration becomes sluggish, the throttle doesn't respond when pressed, and the driving feels lazy. There could be many reasons, such as an intake pipe leak, sensor malfunction, or a dirty turbo. When air leaks out, the engine doesn't get enough oxygen, naturally leading to reduced power and a spike in fuel consumption. Once, I replaced an aging rubber hose, and the problem was solved. It's important to regularly check the sealing during normal driving and stop the car immediately if any unusual noise is detected to avoid engine damage. In short, timely professional inspection and repair can save a lot of money.
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