2013 Yamaha YDRAX4
 

My 2013 yamaha golf cart will run fine for about 20 seconds and then go dead. Engine still turns over but will not start. I checked the firing at plug and I am loosing spark. I can let off the pedal and it will start back up and run for another 20 seconds. What will make me loose spark and then get it back after letting off the pedal?

Bad switch on the gas pedal?

If the engine is turning over as stated, its not the start/stop switch. Im going to assume you have a Fuel injected engine. Its a sensor on the motor more than likely, better left to professional.

FYI,
After plenty of ohm readings from the Yamaha book found the intake pressure sensor was bad. Changed it out and all is good.