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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 28084
Experience:  have worked on and around most engine models for 35 yrs./Polaris ATV expert
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I have a pyt craftsman 9000 garden tractor. It seems to lose

Customer Question

I have a pyt craftsman 9000 garden tractor. It seems to lose its oompf going up slight hills. Otherwise it runs, mows, and appears fine
Submitted: 1 year ago.
Category: Small Engine
Expert:  Curtis B. replied 1 year ago.

Have you ran a cylinder balance test? Loosen the spark plug wires, and with the engine idling, remove one wire at a time. Engine should continue to run. If engine dies, when wire is removed, the opposite cylinder is not firing.

Customer: replied 1 year ago.
then what
Customer: replied 1 year ago.
if the other cylinder isn't firing what do you do
Expert:  Curtis B. replied 1 year ago.

I f you find the cylinder not firing, then check it for spark, and compression, if both are good, check the valve movement. No spark, likley the coil on that cylinder is bad.