ICON A5 - Page 347

FUEL SYSTEM / TROUBLESHOOTING 10-5
CHANGE C2 ICON A5 / MAINTENANCE MANUAL
CHAPTER 10
Tab l e 1 0 -1: Fuel Pressure Diagnostic Table
Symptom Possible Cause Remedy
Low fuel pressure
(below 40.5 psi)
Low fuel level. Check fuel level sensor connection.
Inspect fuel tank for damage and leaks.
Replace fuel tank if necessary. Add fuel.
(See “Fuel Bladder (MY17 Only)” on page
10-11.) (See “Fuel Tank (MY18+)” on page
10-15.)
Clogged coarse fuel filter. Clean coarse fuel filter. (See “Clean
Coarse Fuel Filter (MY17 Only)” on page
10-25.) (See “Clean Coarse Fuel Filter
(MY18+)” on page 10-28.)
Vapor lock: If lights turn on with
full power/high altitude and
goes away with reduced
power/lower altitude when
flying on a hot day.
Check engine fuel and make sure proper
fuel is being used per POH requirement,
see “Fuel Limitation” in POH. Winter blend
fuel or bad/old fuel can cause vapor lock
when flying in a lower altitude/warmer
area.
Fuel leak. Check for leaks. See the “Maintenance
Manual Line 912i Series” leak tests section
from Rotax
®
. Tighten fitting or replace
damaged lines as necessary. Inspect tank
for damage and leaks. (See “Fuel Bladder
(MY17 Only)” on page 10-11.)(See “Fuel
Tank (MY18+)” on page 10-15.)
Fuel pressure regulator
malfunction.
Inspect fuel pressure regulator. Replace
fuel pressure regulator as necessary. See
the “Maintenance Manual Line 912i Series”
fuel system section from Rotax
®
.
Fuel pump malfunction. Secure electrical connector. Inspect
electrical wiring. Replace if necessary.
During engine lane changes, fuel pump
malfunction should have been identified.
See the “Maintenance Manual Line 912i
Series” fuel system section from Rotax
®
.
Plugged fuel tank vent line. Clear fuel tank vent line. (See “Clear Fuel
Tank Vent Line” on page 10-35.)