Ways to prevent failures would be to make sure that the engine is full of clean oil, keep the air filters clean, make sure all hoses and duct work for the air intake system are free from holes and other things to prevent dust and dirt getting in the system.
Always warm up the engine for 2-5 minuter before throttling up. What this does is allows the proper oil pressure and circulation to be maintained to prevent failures due to oil while placing the engine and turbo under a load. Let the engine idle for about 2 minutes before shutting down, this is called a cool-down time that keeps oil from building up inside the turbo on the wheel and shaft and causing future problems and malfunctions.
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