Chrysler Town & Country/Voyager, Dodge Caravan, Plymouth Voyager. Manual — part 13
Fig. 10 Dimensions Forward of Gage Hole Rear of Crossmember— All Van/Wagons
Fig. 11 Engine Compartment Dimensions—All Van/Wagons
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FRAME AND BUMPERS
13 - 7
FUEL SYSTEM
CONTENTS
page
page
2.5L SINGLE POINT FUEL INJECTION
—GENERAL DIAGNOSIS
. . . . . . . . . . . . . . . . . 34
2.5L SINGLE POINT FUEL INJECTION
—SERVICE PROCEDURES
. . . . . . . . . . . . . . 45
2.5L SINGLE POINT FUEL INJECTION
—SYSTEM OPERATION . . . . . . . . . . . . . . . . . 22
3.0L MULTI-POINT FUEL INJECTION
—GENERAL DIAGNOSIS
. . . . . . . . . . . . . . . . 64
3.0L MULTI-POINT FUEL INJECTION
—SERVICE PROCEDURES
. . . . . . . . . . . . . . 75
3.0L MULTI-POINT FUEL INJECTION
—SYSTEM OPERATION . . . . . . . . . . . . . . . . . 52
3.3L MULTI-POINT FUEL INJECTION
—GENERAL DIAGNOSIS
. . . . . . . . . . . . . . . . 93
3.3L MULTI-POINT FUEL INJECTION
—SERVICE PROCEDURES
. . . . . . . . . . . . . 105
3.3L MULTI-POINT FUEL INJECTION
—SYSTEM OPERATION . . . . . . . . . . . . . . . . . 81
ACCELERATOR PEDAL AND THROTTLE
CABLE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
FUEL DELIVERY SYSTEM . . . . . . . . . . . . . . . . . . 3
FUEL TANK
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
GENERAL INFORMATION
. . . . . . . . . . . . . . . . . . 1
SPECIFICATIONS
. . . . . . . . . . . . . . . . . . . . . . 113
GENERAL INFORMATION
Throughout this group, references may be made to a
particular vehicle by letter or number designation. A
chart showing the breakdown of these designations is
included in the Introduction Section at the front of this
service manual.
The Fuel System consists of the fuel tank, fuel pump,
fuel filter, throttle body, fuel injectors, fuel lines and
vacuum lines.
The Fuel Delivery System consists of the fuel pump
module, fuel filter, fuel lines and fuel hoses.
The Fuel Tank Assembly consists of the fuel tank,
fuel pump module, filler tube, and a pressure-vacuum
filler cap.
The Evaporation Control System, is also considered
part of the fuel system. The system reduces the emis-
sion of fuel vapor into the atmosphere.
The description and function of the Evaporation
Control System is found in Group 25 of this manual.
FUEL REQUIREMENTS
Your vehicle was designed to meet all emission
regulations and provide excellent fuel economy when
using high quality unleaded gasoline. Only use un-
leaded gasoline with a minimum posted octane of
87.
Light spark knock (ping) at low engine speeds is not
harmful to your engine. However, continued heavy
spark knock at high speeds can cause damage and
should be reported to your dealer immediately. Engine
damage resulting from operating with a heavy spark
knock may not be covered by the new vehicle warranty.
In addition to using unleaded gasoline with the
proper octane rating, gasolines that contain deter-
gents, corrosion and stability additives are recom-
mended. Using gasolines that have these additives will
help improve fuel economy, reduce emissions, and
maintain vehicle performance. Generally, premium un-
leaded gasolines contain more additive than regular
unleaded.
Poor quality gasoline can cause problems such as
hard starting, stalling, and stumble. If you experience
these problems, try another brand of gasoline before
considering service for the vehicle.
GASOLINE/OXYGENATE BLENDS
Some fuel suppliers blend gasoline with materials
that contain oxygen such as alcohol, MTBE (Methyl
Tertiary Butyl Ether) and ETBE (Ethyl Tertiary Butyl
Ether). The type and amount of oxygenate used in the
blend is important.
The following are generally used in gasoline blends:
Ethanol - (Ethyl or Grain Alcohol) properly blended,
is used as a mixture of 10 percent ethanol and 90
percent gasoline. Gasoline blended with ethanol may
be used in your vehicle.
Methanol - (Methyl or Wood Alcohol) is used in a
variety of concentrations when blended with unleaded
gasoline. You may find fuels containing 3 percent or
more methanol along with other alcohols called cosol-
vents.
Do not use gasolines containing Methanol.
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FUEL SYSTEM
14 - 1
Use of methanol/gasoline blends may result in start-
ing and driveability problems and damage critical fuel
system components.
Problems
that
are
the
result
of
using
methanol/gasoline blends are not the responsibility of
Chrysler Motors and may not be covered by the new
vehicle warranty.
MTBE/ETBE - Gasoline and MTBE (Methyl Ter-
tiary Butyl Ether) blends are a mixture of unleaded
gasoline blended and up to 15 percent MTBE. Gasoline
and ETBE (Ethyl Tertiary Butly Ether) are blends of
gasoline and up to 17 percent ETBE. Gasoline blended
with MTBE or ETBE may be used in your vehicle.
Clean Air Gasoline
Many gasolines are now being blended that contrib-
ute to cleaner air, especially in those areas of the
country where pollution levels are high. These new
blends provide a cleaner burning fuel and some are
referred to as reformulated gasoline.
In areas of the country where carbon monoxide levels
are high, gasolines are being treated with oxygenated
materials such as ETBE, MTBE and ethanol. The use
of gasoline blended with these materials also contrib-
utes to cleaner air.
Chrysler Motors supports these efforts toward
cleaner air and recommends that you use these gaso-
lines as they become available.
Materials Added to Fuel
Indiscriminate use of fuel system cleaning agents
should be avoided. Many of these materials intended
for gum and varnish removal may contain active sol-
vents of similar ingredients that can be harmful to fuel
system gasket and diaphragm materials.
14 - 2
FUEL SYSTEM
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