The inlet strainer, fuel pressure regulator
and fuel level sensor are the only serviceable
items. If the fuel pump or electrical wiring har-
ness requires service, replace the fuel pump
module.
ELECTRIC FUEL PUMP
The electric fuel pump is located in and is part of
the fuel pump module. It is a positive displacement,
gerotor type, immersible pump with a permanent
magnet electric motor. The pump draws fuel through
a strainer and pushes it through the motor to the
outlet. The pump contains one check valve. The
check valve, in the pump outlet, maintains pump
pressure during engine off conditions. The fuel pump
relay provides voltage to the fuel pump.
The fuel pump has a maximum deadheaded pres-
sure output of approximately 635 kPa (95 psi). The
regulator adjusts fuel system pressure to approxi-
mately 338 kPa (49 psi).
FUEL PUMP ELECTRICAL CONTROL
Voltage to operate the electric pump is supplied
through the fuel pump relay. For an electrical opera-
tional description of the fuel pump refer to fuel Pump
Relay—PCM Output.
ELECTRICAL PUMP REPLACEMENT
The electric fuel pump is not serviceable. If the
fuel pump or electrical wiring harness needs replace-
ment, the complete fuel pump module must be
replaced. Perform the Fuel System Pressure Release
procedure before servicing the fuel pump.
ELECTRIC FUEL PUMP
The electric fuel pump is located in and is part of
the fuel pump module. It is a positive displacement,
gerotor, immersible pump with a permanent magnet
electric motor. The fuel pump module is suspended in
fuel in the fuel tank. The pump draws fuel through a
strainer and pushes it through the motor to the out-
let. The pump contains two valves. One valve
relieves internal fuel pump pressure and regulates
maximum pump output. The second valve, in the
pump outlet, maintains pump pressure during engine
off conditions. The fuel pump relay provides voltage
to the fuel pump.
The fuel pump has a maximum deadhead pressure
output of approximately 900 kPa (130 psi). The reg-
ulator adjusts fuel system pressure to approximately
338 kPa (49 psi).
FUEL PUMP ELECTRICAL CONTROL
Voltage to operate the electric pump is supplied
through the fuel pump relay. For an electrical opera-
tional description of the fuel pump refer to fuel Pump
Relay—PCM Output.
ELECTRICAL PUMP REPLACEMENT
The electric fuel pump is not serviceable. If the
fuel pump needs replacement, the complete fuel
pump module must be replaced. Perform the Fuel
System Pressure Release procedure before servicing
the fuel pump.
FUEL LEVEL SENSOR
The level sensor is attached to the side of the fuel
pump module. The level sensor consists of a float, an
arm, and a variable resistor. As the fuel level
increases, the float and arm move up. This decreases
the sending unit resistance, causing the fuel gauge
on the instrument panel to read full.
FUEL TANK
The fuel tanks of all Chrysler Motors built vehicles
are equipped with fuel and vapor controls that allow
the vehicle to pass a full 360° rollover without fuel
leakage.
Front Wheel Drive fuel delivery systems contain a
fuel tank rollover valve. The valve is mounted on top
of the fuel tank. The valve functions as a tank pres-
sure control valve while the vehicle is upright, but
contains a check valve that prevents fuel from escap-
ing from the fuel tank when the vehicle is turned
over.
The fuel filler cap acts as a pressure/vacuum relief
valve. When air pressure inside the fuel tank gets too
high or too low, the fuel filler cap opens to relieve the
difference in pressure.
An evaporation control system restricts fuel evapo-
ration into the atmosphere and reduces unburned
hydrocarbons. Vapors from the fuel tank are collected
in a charcoal filled canister. The vapors are held in
the canister until the engine is operating. When the
engine is running, the vapors are drawn through the
intake manifold into the combustion chambers.
FUEL INJECTORS
The fuel injectors are 12 ohm electrical solenoids
(Fig. 2). The injector contains a pintle that closes off
an orifice at the nozzle end. When electric current is
Fig. 1 Fuel Pump Module
INLET
STRAINER
FUEL RESERVOIR
FUEL
PRESSURE
REGULATOR
FUEL LEVEL SENSOR
14 - 4
FUEL SYSTEM
JA
DESCRIPTION AND OPERATION (Continued)
Содержание Stratus LHD 1997
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Страница 525: ...Fig 5 Symbol Identification 8W 01 4 8W 01 GENERAL INFORMATION JA DESCRIPTION AND OPERATION Continued ...
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Страница 816: ...Fig 4 Engine Connections 2 0L 2 4L JA 8W 90 CONNECTOR GROUND LOCATIONS 8W 90 9 DESCRIPTION AND OPERATION Continued ...
Страница 817: ...Fig 5 Engine Connections 2 5L 8W 90 10 8W 90 CONNECTOR GROUND LOCATIONS JA DESCRIPTION AND OPERATION Continued ...
Страница 818: ...Fig 6 Transmission Connections JA 8W 90 CONNECTOR GROUND LOCATIONS 8W 90 11 DESCRIPTION AND OPERATION Continued ...
Страница 819: ...Fig 7 Steering Column Connections 8W 90 12 8W 90 CONNECTOR GROUND LOCATIONS JA DESCRIPTION AND OPERATION Continued ...
Страница 820: ...Fig 8 Instrument Panel Connections JA 8W 90 CONNECTOR GROUND LOCATIONS 8W 90 13 DESCRIPTION AND OPERATION Continued ...
Страница 821: ...Fig 9 Instrument Panel Connections 8W 90 14 8W 90 CONNECTOR GROUND LOCATIONS JA DESCRIPTION AND OPERATION Continued ...
Страница 822: ...Fig 10 Junction Block Connections JA 8W 90 CONNECTOR GROUND LOCATIONS 8W 90 15 DESCRIPTION AND OPERATION Continued ...
Страница 823: ...Fig 11 HVAC Connections 8W 90 16 8W 90 CONNECTOR GROUND LOCATIONS JA DESCRIPTION AND OPERATION Continued ...
Страница 824: ...Fig 12 Body Connections JA 8W 90 CONNECTOR GROUND LOCATIONS 8W 90 17 DESCRIPTION AND OPERATION Continued ...
Страница 825: ...Fig 13 Body Connections 8W 90 18 8W 90 CONNECTOR GROUND LOCATIONS JA DESCRIPTION AND OPERATION Continued ...
Страница 826: ...Fig 14 Body Connections JA 8W 90 CONNECTOR GROUND LOCATIONS 8W 90 19 DESCRIPTION AND OPERATION Continued ...
Страница 827: ...Fig 15 Roof Connections 8W 90 20 8W 90 CONNECTOR GROUND LOCATIONS JA DESCRIPTION AND OPERATION Continued ...
Страница 829: ...Fig 18 Deck Lid Connections 8W 90 22 8W 90 CONNECTOR GROUND LOCATIONS JA DESCRIPTION AND OPERATION Continued ...
Страница 833: ...Fig 5 Engine Splices 2 0L 2 4L 8W 95 4 8W 95 SPLICE LOCATIONS JA DESCRIPTION AND OPERATION Continued ...
Страница 834: ...Fig 6 Engine Splices 2 5L JA 8W 95 SPLICE LOCATIONS 8W 95 5 DESCRIPTION AND OPERATION Continued ...
Страница 835: ...Fig 7 Body Splices 8W 95 6 8W 95 SPLICE LOCATIONS JA DESCRIPTION AND OPERATION Continued ...
Страница 836: ...Fig 8 Deck Lid Splices Fig 9 Door Splices JA 8W 95 SPLICE LOCATIONS 8W 95 7 DESCRIPTION AND OPERATION Continued ...
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Страница 975: ...Adapter 6887 Camshaft Seal Installer 6863 9 138 2 5L ENGINE JA SPECIAL TOOLS Continued ...
Страница 995: ...Fig 2 Exhaust System Leaded Fuel 11 2 EXHAUST SYSTEM AND INTAKE MANIFOLD JA GENERAL INFORMATION Continued ...
Страница 1001: ...13 6 BUMPERS AND FRAME JA SPECIFICATIONS Continued ...
Страница 1065: ...Fuel Line Adapter 1 4 14 64 FUEL SYSTEM JA SPECIAL TOOLS Continued ...
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Страница 1106: ...SPECIAL TOOLS POWER STEERING PUMP Installer C 4063B Puller C 4333 P S System Analyzer 6815 JA STEERING 19 35 ...
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Страница 1257: ...Remover 6787 Cooling System Tester 7700 Seal Remover 7794 a 21 126 TRANSAXLE JA SPECIAL TOOLS Continued ...
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Страница 1287: ...SPECIFICATIONS SUNROOF COMPONENTS 23 16 BODY JA ...
Страница 1318: ...SPECIAL TOOLS BODY REMOVER MOLDINGS C 4829 STICK TRIM C4755 JA BODY 23 47 ...
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Страница 1321: ...Fig 1 Floor Console 23 2 BODY JA REMOVAL AND INSTALLATION Continued ...
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Страница 1376: ...ENGINE VACUUM SCHEMATIC 2 4LATX JA EMISSION CONTROL SYSTEMS 25 17 DIAGNOSIS AND TESTING Continued ...
Страница 1377: ...ENGINE VACUUM SCHEMATIC 2 5LATX 25 18 EMISSION CONTROL SYSTEMS JA DIAGNOSIS AND TESTING Continued ...
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Страница 1401: ...FASTENER IDENTIFICATION 6 INTRODUCTION JA GENERAL INFORMATION Continued ...
Страница 1404: ...METRIC CONVERSION JA INTRODUCTION 9 GENERAL INFORMATION Continued ...
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Страница 1533: ...Remover 6787 Cooling System Tester 7700 Seal Remover 7794 a 21 126 TRANSAXLE JA SPECIAL TOOLS Continued ...