CAT INV2000 - TROUBLESHOOTING GUIDE; Engine Will Not Start Issues

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TROUBLESHOOTING
Issue:
Possible Cause:
Solution:
Check:
Engine Will
Not Start
Generator switch in
the off “0” position
Turn the generator switch to the correct position.
Start the
engine
Generator inclined
Move generator to a level position.
Not enough oil in the
engine
Check the oil level. If low, add the recommended oil.
Dirty air filter
Check the air filter. Clean or replace as needed.
Oil in the combustion
chamber
Remove spark plug, turn generator switch to off “O”
position, pull recoil starter multiple times to remove oil
from combustion chamber.
No fuel
Fill the fuel tank
Old or contaminated
fuel
Drain and refill if necessary.
No fuel at the
carburetor
Make sure the generator switch is in the on "I" position.
Check the vacuum relief in the fuel cap. If plugged
clean the vacuum relief.
Not enough fuel to
the engine
Make sure the needle valve is closing properly. Clean
or replace as needed.
Inspect the fuel nozzle. Clean if needed.
Inspect the float. If the float is damaged or sticking,
repair or replace as needed.
Engine flooded
Wait 5 minutes.
Remove and clean the spark plug. Suction out fuel or
let fuel evaporate before reinstalling spark plug.
No spark
Inspect the spark plug. Clean the spark plug, adjust the
spark plug gap, or replace the spark plug as necessary.
Inspect the spark plug wire. Replace if damaged. Check
the resistance. If the resistance is out of tolerance,
replace the wire.
Check the wiring to make sure that none of the wires
are shorted to ground.
Cylinder pressure
Inspect the cylinder head bolts to make sure they are
properly torqued to 40±3 N·m. Tighten if needed.
Check the valve clearance and seats. Adjust or repair
as needed.
Inspect the cylinder head gasket. Replace if damaged.
Inspect the cylinder head and cylinder block surfaces
for flatness. Repair or replace if out of tolerance.
If the engine still will
not start:
Rebuild the engine, replace the engine, or consider replacing the unit.