Bombardier SeaDoo 2001 factory shop manual, Page 243Get this manual
Subsection 03
Section 06 ENGINE MANAGEMENT (DI) (COMPONENT INSPECTION AND ADJUSTMENT)
FUEL DELIVERY SYSTEM DIAGNOSTIC FLOW CHART
NOTE: The tolerance for the pressure is 14 kPa (2 PSI)Fuel pump does not run Connect safety lanyard Fuel pump runs for secthen stops
Check fuses Check lanyard connection Check pump module operation Repair or replace if necessary
Install fuel pressure gauge on fuel pressure line
Connect safety lanyard OK Fuel pump runs Fuel pressure more than 185 kPa (27 PSI) Fuel pressure is 185 kPa (27 PSI) Repair or replace
Fuel pressure less than 185 kPa (27 PSI)
Check for blocked fuel return line
Repair or replace
Check fuel lines for leaks Check fuel filters
Replace fuel pump module test OK Fast pressure drop no yes Verify fuel pump check valve OK Ensure airfuel rail is not leaking no Check fuel injector OK fails Replace fuel injector Replace fuel pressure regulator
F12A06S
Perform fuel pump test Fuel pressure lower than 735 kPa (107 PSI)