21 --- Fuel/air mixture incorrect
Idle speed mixture strength incorrect. Adjust airflow meter bypass.
Air filter badly fitted or omitted. Check that the filter
element is in place and that it and the air filter box cover are sealing correctly. Any
leaks wilt cause a weak mixture.
Induction air leaks. Check the security of the hose connections, and for cracks and splits in the hoses.
Fuel level too low. See Section 6.
Fuel tank filter cap air vent obstructed. Clear blockage.
© March 2015