Ski-Doo Ski Doo MX Z 2005 [1183/1429] Fuel pump

Ski-Doo Ski Doo MX Z 2005 [1183/1429] Fuel pump
Section 06 ENGINE MANAGEMENT (4-TEC)
Subsection 03 (COMPONENT INSPECTION AND ADJUSTMENT)
FUEL PUMP
Fuel Pressure Test
Before proceeding to the pressure test ensure the
battery is fully charged. Battery voltage must be
over 12 volts.
Release the fuel pressure in the system using
B.U.D.S. Look in the Activation tab.
WARNING
The fuel hose may be under pressure. Cov-
er the fuel line connection with an absorbent
shop rag. Slowly disconnect the fuel hose
toreleasethepressure. Wipeoffanyfuel
spillage inside engine compartment.
The pressure test will show the available pressure
at the fuel pump outlet. It validates the pressure
regulator, the fuel pump and leaks in the system.
Ensure there is no leak from hoses and fittings.
Repair any leak.
Ensure there is enough gas in fuel tank.
Disconnect outlet hose.
Remove plastic clip (P/N 275 500 429) from male
fitting of pressure gauge (P/N 529 035 591).
529 035 591
Install the clip on male fitting of fuel rail inlet hose.
1
A32I0TA
1. Clip installed on male fitting of fuel rail inlet hose
Install fuel pressure gauge (P/N 529 035 591) be-
tween disconnected hoses (in-line installation).
1
A32I0UA
1. In-line installation of fuel pressure gauge
Install the tether cord cap. Activate the cut-out
switch so the engine will not crank. Depress start
button and observe fuel pressure. Release pres-
sure using B.U.D.S. so that the gauge is «reset»
to zero (0). Remove the tether cord cap and install
it again. Repeat the test.
FUEL PRESSURE
(when depressing start button)
400 kPa (58 PSI)
Crank or start engine and observe fuel pressure.
The fuel pressure should be the same as above.
mmr2005-032 319

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