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| Home / Engines / Kohler Engines / Kohler CH22S |
Kohler Command CH22S Problems
| Engine Model: Kohler Command CH22S |
| Engine Type: 4-cycle 2-cylinder horizontal shaft air-cooled gasoline engine |
| Total Displacement: 38 cu.in (624 cc) |
| Rated Engine Power: 22 Hp (16.4 kW) at 3600 rpm |
| Fuel System: One-barrel carburetor with fixed main jet |
| Engine difficult to start or doesn't start |
Fuel tank is empty - Fill it up.
Low-quality gasoline - Use quality fuel.
Air in the fuel lines - Bleed the fuel lines.
Spark plug wire is loose or disconnected - Inspect the spark plug wire connection, replace or repair.
Faulty spark plug - Change spark plug.
Clogged fuel filter - Install new filter.
Brake pedal not pushed down - Push the brake pedal down.
Incorrect carburetor adjustment - Adjust carburetor idle mixture screw.
Poor compression - Inspect and replace wear parts.
Throttle cable is worn or adjusted improperly - Adjust properly or change the cable.
| Engine runs roughly |
Air intake grill is clogged - Need to clean or wash.
Defective ignition system - Check ignition and replace faulty components.
Throttle cable is stuck or defective - Clean or change the cable.
Air filter is dirty - Change or service air filter.
Dirty or damaged fuel pump - Clean or change fuel pump.
| Engine starts but stalls immediately |
Faulty spark plug - Change spark plug.
Defective or clogged carburetor - Repair or clean carburetor.
Ignition coil is not working - Install a new ignition coil.
Loose or broken valve springs - Install new valve springs.
Valves are stuck - Valves must be cleaned.
| Engine is overheated |
Low engine oil level - Check oil level and add oil as required.
Excessive engine load - Load reducing required.
Air intake grill is clogged - Need to clean or wash.
Carburetor fuel mixture is too lean - Set the carburetor properly.
Incorrect ignition timing - Ignition timing needs to be adjusted correctly.
Incorrect valve setting - Valves needs to be set correctly.
| Engine knocks or noises |
Low octane gasoline - Use proper gasoline.
Engine overload - Load reducing required.
Not enough engine oil - Checking oil level and add if necessary.
Wrong adjustment of low idle speed - Test and adjust.
Clogged or defective fuel pump - Inspect fuel pump and change as required.
Main bearings or crankshaft are worn out - Need to install new components.
Valve clearance is wrong - Adjust valve clearance according to specifications.
Worn piston rings or cylinder bore - Replace defective parts.
| Engine power is insufficient |
Clogged or improperly adjusted carburetor - Service or properly adjust carburetor.
Air filter element is clogged - Change or service air filter.
Clogged or defective fuel pump - Clean or replace fuel pump.
Ignition system is defective - Test ignition and replace failed parts.
Damaged cylinder-head gasket - Change cylinder head gasket.
Stuck or burned valves - Change or service valves.
Worn or damaged push rod - Change push rod.
Damaged cylinder block components - Change defective parts.
Oil filter is dirty (if equipped) - Clean or replace oil filter.
| Excessive fuel consumption |
Choke opening is not full - Replace or adjust choke cable.
Carburetor main jet is incorrectly adjusted - Adjust it correctly.
Spark plug is loose or defective - Tighten or change the spark plug.
Stuck, worn, or burned valves - Replace or clean valves.
Rings, sleeve, or piston are damaged - Replace defective parts.
Valve clearance is improper - Adjustment procedure required.
| Engine oil consumption is too high |
Defective seals or gaskets - New components need to be installed.
Valve guides and stems are worn - Valves must be replaced.
Worn or broken piston rings - Piston rings replacement required.
Worn cylinder liner or piston - Inspect piston and liner, fit new components as necessary.
Blocked breather hose or pipe - Change or clean.
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