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Mine is doing the same thing, and not setting a code. I believe it's the IAC - Idle Air Control valve or circuit. When I crank it, it nearly red lines, and stays that way. The IAC is on the throttle body.
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∙ 13y ago
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What causes your lawn tractor engine to run at high rpm?
A dirty spark plug can cause your lawn tractor engine to run at high RPM. A bad fuel filter can also cause this.
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Flooring the gas petal.
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