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Why is there a lack of power after replacing the new turbocharger?

2 Answers

LeVera

07/23/25 11:46pm

It may be due to a turbocharger air leak or a blockage in the intake and exhaust systems. Here are the specific details: 1. Turbocharger air leak: The turbocharger is a critical component affecting engine power. If the turbocharger is damaged, it can cause a drop in rotational speed and a decrease in intake boost pressure, obviously resulting in reduced engine power. An early sign of turbocharger damage is 'oil discharge,' where oil is expelled into the exhaust and intake pipes. Severe oil discharge indicates that the turbocharger is nearing failure. The axial and radial clearances of the turbocharger rotor must be maintained within the specified range. 2. Blockage in the intake and exhaust systems: Air filter - intake hose - turbocharger - intercooler - combustion chamber - exhaust pipe (exhaust brake butterfly valve) - muffler. Intake hose inspection: Check for air leaks, blockages, or if it collapses during high-speed driving.

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DiLucas

08/10/25 7:37pm

I remember once after installing a new supercharger, the car still felt sluggish and lacked power, which really frustrated me. This often happens when there's an issue during installation, like loose bolts or improperly connected pipes causing leaks, resulting in insufficient boost pressure. I believe it's crucial to carefully follow the manual during installation, using a torque wrench to tighten all connections. Additionally, the supercharging system must be properly matched with the engine control unit (ECU). If the ECU isn't reprogrammed, changing the supercharger won't make a difference. Also, don't forget to check the air filter or vacuum hoses, as old or clogged ones can affect air intake efficiency. New components might need a break-in period—try driving a few hundred kilometers to see if performance improves. But if the problem persists, it's best to return to the manufacturer or visit a repair shop for a recheck. Never cut corners when it comes to safety.

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