How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Curtis B. Your Own Question
Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 12592
Experience:  have worked on and around most engine models for 35 yrs./Polaris ATV expert
30244710
Type Your Small Engine Question Here...
Curtis B. is online now
A new question is answered every 9 seconds

Curtis I have a sears tractor###-##-####I have replaced the

Customer Question

Curtis I have a sears tractor###-##-####I have replaced the carb - fuel filter- cleaned the tank put in fresh gas. replaced the air filter. starts right up runs for three or four minutes then shuts down. I let it cool down for a few minutes starts again then does the same thing. I have a new ngk plug in it. help
Submitted: 1 year ago.
Category: Small Engine
Expert:  Curtis B. replied 1 year ago.
Welcome to JUST ANSWER small engines, let me try to help you !! Single cylinder Briggs engine. Do a spark test, take a spare spark plug, and as soon as it quits, remove the spark plug wire and attach the spare plug to the wire, and with it grounded to the metal of the engine, see if you have spark. If there is no spark, the coil is failing and should be replaced, If it has spark, then we have a fuel problem. Maybe solenoid in the bottom of the carburetor is closing. It has to have 12 volts at all times and if it relaxes, it plugs the main jet in the carburetor.