Sea-doo RX Shop Manual page 144

Section 05 ENGINE MANAGEMENT (DI)
Subsection 03 (COMPONENT INSPECTION AND ADJUSTMENT)
FUEL DELIVERY SYSTEM DIAGNOSTIC FLOW CHART
Fuel pump does not run
Check fuses
Check lanyard connection
Check pump module operation
Repair or replace if necessary
Fuel pressure less
than 185 kPa (27 PSI)
Check fuel lines
Repair or
yes
replace
Check fuel filters
Replace
fails
fuel pump
module
test OK
Replace
fuel pump fail
module
fails
Air pressure less
than 621 kPa
(90 PSI)
Check RAVE
fail
for air leaks
Repair
leaks
NOTE:
The tolerance for
the pressure is ± 14 kPa (2 PSI).
05-03-18
Connect safety lanyard
Install fuel pressure gauge on
fuel pressure line
Connect safety lanyard
Fuel pump runs
for leaks
Perform fuel
pump test
Fuel pressure lower
than 735 kPa (107 PSI)
Perform fuel
Check for air
no
pump test
leaks
leaks
pass
Proceed to air
compressor OK
pressure test
Air pressure more
than 621 kPa
(90 PSI)
no Check direct
ok
leaks injector
Repair air Injector
pump OK
Fuel pump runs
for 2 sec. then stops
Fuel pressure more
than 185 kPa (27 PSI)
Fuel pressure is
185 kPa (27 PSI)
Crank or start engine
yes
Fuel pressure greater
than 735 kPa (107 PSI)
Repair
leaks
Check air return line
for blockage
Replace
injector
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OK
Repair or replace
Check for blocked fuel
return line
Line OK
Fuel pressure is
735 kPa (107 PSI)
Line
OK
System OK
Replace fuel
rail assembly
SMR2000-051-05-03A.FM