Fuel Delivery Check
Fuel System Check
Engine will not start
Four stroke engine troubleshoot
Fuel stored in the tank usually passes through a check valve
before traveling to the carburetor .
If this valve fails the engine may not start or run properly. |
Vacuum operated fuel valve check |
|
Petcock fuel valve check |
Fuel filter
Most systems also use a fuel filter to remove solids from the fuel.Some also remove water.
Fuel filters may be tank mounted inline or installed in the carburetor.
Problem
If the fuel filter is restricted fuel flow may be decrease or null.
Fix problem
Clean or replece filter