Kohler Command PRO CH440

Other manuals for Kohler Command PRO CH440

Questions and Answers:

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angelagarzaAug 18, 2025
Why does my Kohler Command PRO CH440 Engine lose power?
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  Samantha HesterAug 18, 2025
  Your Kohler Engine might be losing power due to several reasons: * The air cleaner element could be dirty; clean or replace it. * The engine might be overheated; allow it to cool. * There might be an excessive engine load; reduce it. * The exhaust could be restricted; inspect and clear any restrictions. * The spark plug might be faulty; replace it. * The crankcase oil level could be high; check and adjust it. * The governor setting might be incorrect; adjust it to the correct specification. * The battery might be low; charge or replace it. * There might be low compression; inspect the engine for causes of low compression. * The crankcase oil level could be low; check and refill it. * The fuel quality might be poor; ensure it is adequate.
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Kelli BakerAug 21, 2025
What to do if Kohler Command PRO CH440 Engine starts but does not keep running?
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  Laura JohnsonAug 21, 2025
  If your Kohler Engine starts but doesn't keep running, consider these potential causes: * The carburetor might be faulty; inspect, repair, or replace it. * The cylinder head gasket could be faulty; repair or replace it. * The choke or throttle controls might be faulty or misadjusted; adjust or replace them. * The fuel pump might be malfunctioning, or the vacuum hose could be clogged or leaking; repair or replace the fuel pump and/or vacuum hose. * There might be an intake system leak; inspect and repair the intake system for leaks. * There could be loose wires or connections that intermittently ground the ignition kill circuit; tighten them. * The fuel quality might be poor; ensure it is adequate. * The fuel tank cap vent might be restricted; clear or replace it.
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Ricardo HarrisAug 27, 2025
What causes a Kohler Command PRO CH440 to not idle?
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  Benjamin ReyesAug 27, 2025
  A Kohler Engine may fail to idle for these reasons: * The engine might be overheated; allow it to cool and check for cooling issues. * The spark plug could be faulty; replace it. * The idle fuel circuit in the carburetor might be plugged or restricted; clean or replace it. * The idle speed adjusting screw might be improperly set; adjust it to the proper setting. * There might be an inadequate fuel supply; check the fuel supply level and lines. * There could be low compression; inspect the engine for causes of low compression. * The fuel quality might be poor; ensure it is adequate. * The fuel tank cap vent might be restricted; clear or replace it.
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shannonmartinAug 30, 2025
What to do if Kohler Command PRO CH440 runs but misses?
- M
  Megan KnappAug 30, 2025
  If your Kohler Engine runs but misses, it could be due to: * Carburetor malfunction: inspect, repair, or replace carburetor. * Engine overheated: allow engine to cool and check for cooling issues. * Faulty spark plug: replace faulty spark plug. * Ignition module faulty or improperly gapped: check and replace or gap ignition module properly. * Interlock switch is engaged or faulty: check interlock switch functionality. * Loose wires or connections that intermittently ground ignition kill circuit: tighten loose wires or connections. * Quality of fuel (dirt, water, stale, mixture): Ensure fuel quality is adequate. * Spark plug lead boot loose on plug: Secure spark plug lead boot. * Spark plug lead loose: Reconnect spark plug lead.
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Todd BryantSep 2, 2025
Why does my Kohler Command PRO CH440 use an excessive amount of oil?
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  Darren WintersSep 2, 2025
  If your Kohler Engine is using an excessive amount of oil, it could be due to: * Loose or improperly torqued fasteners: Tighten or replace fasteners. * Blown head gasket/overheated: Repair or replace head gasket. * Breather reed broken: Inspect and replace breather reed. * Clogged, broken, or inoperative crankcase breather: Repair or replace crankcase breather. * Crankcase overfilled: Drain excess oil from crankcase. * Incorrect oil viscosity/type: Use correct oil viscosity/type. * Worn cylinder bore: Inspect and repair or replace worn cylinder bore. * Worn or broken piston rings: Inspect and replace worn or broken piston rings. * Worn valve stems/valve guides: Inspect and replace worn valve stems or guides.
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Craig HayesSep 5, 2025
What causes a Kohler Command PRO CH440 to overheat?
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  Amanda CooperSep 5, 2025
  A Kohler Engine can overheat for several reasons: * The cooling fan might be broken; repair or replace it. * There might be excessive engine load; reduce it. * The crankcase oil level could be high; check and adjust it. * The fuel mixture might be lean; adjust it to the proper ratio. * The crankcase oil level might be low; check and refill it. * Cooling system components could be clogged or restricted; inspect and clear them.
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melodyknightSep 8, 2025
Why does my Kohler Command PRO CH440 knock?
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  breannaolsonSep 8, 2025
  Your Kohler Engine might be knocking due to: * Excessive engine load; reduce it. * Incorrect oil viscosity/type; use the correct one. * Internal wear or damage; inspect the engine. * Low crankcase oil level; check and refill it. * Poor fuel quality; ensure it is adequate.
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Karen JonesSep 12, 2025
Why Kohler Engine will not crank?
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  jenniferthompsonSep 12, 2025
  If your Kohler Engine will not crank, the following could be the cause: * The battery is discharged: Charge or replace the battery. * Faulty electric starter or solenoid: Replace faulty electric starter or solenoid. * Faulty key switch or ignition switch: Replace faulty key switch or ignition switch. * Interlock switch is engaged or faulty: Check interlock switch functionality. * Loose wires or connections that intermittently ground ignition kill circuit: Tighten loose wires or connections. * Pawls not engaging in drive cup: Inspect and repair pawls. * Seized internal engine components: Inspect and repair or replace seized components.

Kohler Command PRO CH440 Specifications

General

Compression Ratio	8.0:1
Fuel System	Carburetor
Cooling System	Air-cooled
Ignition System	Electronic
Governor Type	Mechanical
Engine Type	4-cycle, OHV
Displacement	429 cc
Power	14 HP
Oil Capacity	1.4 L
Starter Type	Electric
Weight	32 kg