Chrysler RG Voyager. Manual - part 489
CONDITION
POSSIBLE CAUSES
CORRECTION
Stalls Under Aggressive
Maneuvers/Loss Of Fuel
Pressure
Restricted or Damaged Fuel Tank
Siphon Filter
Replace Fuel Tank Siphon Filter
Contaminated Fuel
Drain, Flush and Refill Fuel System
Damaged Fuel Tank
Replace Fuel Tank
Restricted Fuel Filter
Replace Fuel Filter
Stored Diagnostic Trouble Codes
Refer to the appropriate Diagnostic
Service Manual
Cannot Refill Fuel Tank/
Excessive Pressure in Fuel
Tank When Cap Is Removed
Sticking or Damaged Fuel Tank
Fill/Vent Valve, Hose or Lines
Inspect, Repair Vent Hose and Lines,
Replace Fuel Tank
STANDARD PROCEDURE
STANDARD PROCEDURE - FUEL TRANSFER
PUMP PRESSURE TEST
NOTE: Use a shop towel to capture any fuel spill-
age.
(1) Remove engine cover (Refer to 9 - ENGINE -
REMOVAL).
(2) Connect a fuel pump pressure gauge to the air
purge valve (Fig. 2).
(3) Turn ON the ignition (fuel/lift pump should run
for approximately 5 seconds).
(4) Observe the fuel pressure gauge, fuel pressure
should read between 0.8 -1.2 bar (12 - 17 psi.).
If fuel pressure is outside of specification, review
the following list of possible causes:
• Restricted fuel filter.
• Stored DTC’s.
• Defective fuel/lift pump relay.
• Defective fuel/lift pump. (Refer to 14 - FUEL
SYSTEM/FUEL
DELIVERY/FUEL
TRANSFER
PUMP - DIAGNOSIS AND TESTING).
• Open fuel/lift pump relay Ignition positive cir-
cuit.
• Open fuel/lift pump ignition positive circuit.
• High resistance, fuel/lift pump ground.
STANDARD PROCEDURES - DRAINING WATER
FROM FUEL FILTER
Refer to Fuel Filter/Water Separator removal/in-
stallation for procedures.
STANDARD PROCEDURE - FUEL SYSTEM AIR
PURGE
(1) Remove engine cover (Refer to 9 - ENGINE
COVER - REMOVAL).
(2) Remove cap from air purge fitting on the fuel
supply line. This fitting is located just behind the
alternator next to the engine oil fill tube. (Fig. 3).
(3) Attach a hose of about 1 or 2 meters to this fit-
ting using an appropriate connector to open the
valve.
(4) Direct the end of the hose into an appropriate
fuel container.
(5) Turn the ignition to the “ON” position, Do not
crank the engine. Keep key on until about 1 liter of
fuel has been pumped into the container. Make sure
the hose remains below the level of fuel in the
container while the key is in the ON position.
Fig. 2 AIR PURGE VALVE
1 - AIR PURGE VALVE CAP
2 - AIR PURGE VALVE
3 - ALTERNATOR
4 - ENGINE FRONT COVER
14a - 4
FUEL SYSTEM
RG
FUEL SYSTEM 2.5L / 2.8L TURBO DIESEL (Continued)