Kohler COMMAND CH20 - Service Manual

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Questions and Answers

Laura TerrellAug 12, 2025

What to do if Kohler Engine starts but does not keep running?

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Jennifer SheaAug 12, 2025
If your Kohler Engine starts but doesn't keep running, the issue might stem from a faulty carburetor, a faulty cylinder head gasket, or misadjusted choke or throttle controls. A fuel pump malfunction with a clogged or leaking vacuum hose, an intake system leak, loose wires intermittently grounding the ignition kill circuit, poor fuel quality, or a restricted fuel tank cap vent could also be responsible. Replace the faulty carburetor, replace the faulty cylinder head gasket, adjust or replace the choke or throttle controls, inspect the fuel pump and vacuum hose for clogs or leaks, repair the intake system leaks, secure and repair loose wires or connections, replace the fuel with fresh, clean fuel, and clear the restricted fuel tank cap vent.

Caitlin DominguezOct 28, 2025

Why Kohler Engine cranks but won't start?

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bradleyaustinOct 28, 2025
If your Kohler Engine cranks but refuses to start, several factors could be at play. It could be due to a battery connected backwards, a blown fuse, a malfunctioning carburetor solenoid, the choke not closing properly, or a clogged fuel line or fuel filter. Other potential causes include a failed diode in the wiring harness, a DSAI or DSAM malfunction, an empty fuel tank, a faulty electronic control unit, faulty ignition coils or spark plugs, a fuel pump malfunction with a clogged or leaking vacuum hose, a closed fuel shut-off valve, faulty or improperly gapped ignition modules, insufficient voltage to the electronic control unit, an engaged or faulty interlock switch, the key or kill switch in the OFF position, a low oil level, poor fuel quality, a SMART-SPARK malfunction, or disconnected...

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