Honeywell Rich fuel mixture or incomplete combustion

Soot or black residue around exhaust outlet

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Restricted air filter, Incorrect fuel pressure or regulator setting, Dirty spark plug, Partially blocked exhaust

Safety first: Turn OFF the generator and allow exhaust components to cool before inspection.

Steps:

Replace air filter: Install a new OEM air filter to restore proper airflow.
Inspect spark plug: Remove and inspect the plug for heavy carbon deposits. Clean or replace as needed.
Check fuel regulator: Have a technician verify that the Honeywell fuel regulator is set to the correct outlet pressure and is not over-fueling.
Exhaust check: Inspect the muffler and exhaust pipe for restrictions or damage.

Medium 3/5

Fuel Regulator

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