It is a Bosch EFI model I believe. My yellow check engine light come on, then a short while after my cylinder head light come on. Problem is the yellow some time beeps at me and other times it doesn’t.
I have a walker MTGHS serial number 121299 with kholer motor. It has been overheating the last couple of weeks. I have pulled off the back plate that guards the oil cooler and cleaned it. I have checked fuel pressure and it does maintain at 39 to 40 psi. New oil and air filters have about eight...