Troubleshooting
Problem Cause Solution
Fuel overows at the ll plate 
(tank not full)
Fill or vent line blocked Check lines. Clear obstruction from 
line or straighten line if kinked.
Water or moisture in fuel tank
Cap on deck fuel ll plate not tight
Condensation forming on walls of 
partially lled tank.
Poor quality fuel from marina tanks.
Check cap. Tighten.
Follow remedies for “Condensation” 
above. If remedies fail to correct 
problem, fuel tank and lines may 
need to be drained and ushed.  See 
your dealer for service.
Diesel engines. Check fuel/water 
separators. Drain if necessary.  
Check with your dealer.
Engine cranks but will not start 
(fuel system)
Lack of fuel.
Clogged fuel lter.
Clean fuel lter, check fuel level. 
Check whether anti-siphon valve, if 
so equipped, is stuck shut.
Improper starting procedure. Re-
view starting procedures in engine 
manual.
Check and replace fuel lter.
Check fuel pump, fuel pump l-
ter, fuel lter, and fuel tank line for 
cracked anges or restricted ttings.
Hunter e36 • Fuel Systems
5.11