What causes misfire at high RPMs?
What causes misfire at high RPMs? A high RPM misfire can be caused by lean misfire; because the carburetor or fuel injection is not able to deliver enough fuel at that speed. Another cause that is prevalent is “valve float”. What are the most common signs of engine misfires? The most common situation to notice misfires is on high gears, low RPM, and the accelerator to the floor. Rough acceleration is a typical sign that your engine is misfiring. When does the RPM go back to normal? The RPM will usually go back to normal as you accelerate the vehicle,...