Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!
I have a 1998 UK specification Toyota Corolla 1.6 automatic that I cannot replace the rotor arm because it is stuck solid on the distributor. It doesn't look as though it has ever been removed in nearly 2 decades.
Any suggestions please on methods to remove the rotor arm?