What to do if there is air in the fuel system of my Kohler 18EFKOZD?
- CCarla ButlerSep 1, 2025
If there is air in the fuel system of your Kohler Portable Generator, bleed the diesel fuel system. The cause is air in the fuel system.

What to do if there is air in the fuel system of my Kohler 18EFKOZD?
If there is air in the fuel system of your Kohler Portable Generator, bleed the diesel fuel system. The cause is air in the fuel system.
What to do if my Kohler 18EFKOZD Portable Generator breaker is not charged?
Verify that the motor operator is receiving voltage at the appropriate contacts, allowing it to wind the spring.
How to fix a faulty ground connection on my Kohler 18EFKOZD Portable Generator?
If you find a faulty ground connection in your Kohler Portable Generator, clean and retighten the connection. The cause is a faulty ground connection.
How to fix CB trip relay wired as normally open in Kohler 18EFKOZD Portable Generator?
Check that the CB trip relay is wired to hold a trip on the breaker when the relay is not energized.
How to fix intermittent connection in PGEN wiring in Kohler 18EFKOZD?
Confirm that there are no loose wiring connections or “whiskers” at the PGEN terminal blocks. Using “Fork”, “ring”, or “crow’s feet” connectors for terminal block connections is preferable.
How to resolve breaker status feedback is not valid, no bus sensing in Kohler 18EFKOZD?
Verify the wiring on the circuit breaker to ensure it is connected correctly. Verify bus wiring for all nodes. Verify the generator output is connected to the line side of the generator breaker.
What to do if my Kohler 18EFKOZD shuts down due to low oil pressure?
If your Kohler Portable Generator experiences a low oil pressure shutdown, check the oil level. This is due to low oil pressure shutdown.
What to do if my Kohler 18EFKOZD Portable Generator is experiencing an engine overload?
If your Kohler Portable Generator experiences an engine overload, reduce the electrical load. The cause is engine overload.
How to fix loose or corroded battery connections on a Kohler 18EFKOZD?
If the battery connections of your Kohler Portable Generator are loose, corroded, or incorrect, verify that the battery connections are correct, clean, and tight. The cause of this problem is that the battery connections are loose, corroded, or incorrect.
What to do if my Kohler 18EFKOZD runs out of fuel or the fuel valve is off?
If your Kohler Portable Generator's fuel tank is empty or the fuel valve is shut off, add fuel and move the fuel valve to the ON position. This is because the fuel tank is either empty, or the fuel valve is shut off.
| Brand | Kohler |
|---|---|
| Model | 18EFKOZD |
| Category | Portable Generator |
| Language | English |
Procedures to prevent unintended generator startup, ensuring operator safety.
Warnings and safety measures concerning fuel system risks and potential fires.
Safety warnings about electrical hazards and moving mechanical components.
Essential checks to perform before starting the generator set.
Adjusting and configuring the generator's voltage output and regulation.
Settings and procedures for operating multiple generators in parallel.
Procedure for immediate shutdown of the generator set in emergencies.
Maintenance intervals and tasks for specific generator models.
Procedures for checking oil level, oil specifications, and oil changes.
Information on fuel specifications, filter replacement, and system bleeding.
Procedures for checking coolant, filling, flushing, and cleaning the system.