Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Welcome to JUST ANSWER small engines, let me try to help you !! I don't know it all, but maybe together we can get you a satisfactory answer!
Will it stop if you remove the oil sensor wire? If it does, check the oil pressure , and if ok, replace the sensor.
What other sensors will turn on the alarm? Do you have manual with wiring schematic?