What causes lack of power at high RPM?
What causes lack of power at high RPM? There are a few possible causes for a lack of power at high rpm with a diesel engine, but I like to first go to the most common causes. I am a firm believer in not looking to make a simple problem complicated. I will list these in the most likely order: Why does my trailblazer not go over 3000 rpm? My Trailblazer has no power and will not go over 3000 rpm. I have replaced the spark plug, gas filter, throttle body acceleration pedal sensor and the crank shaft sensor. I...