1999 DODGE RAM engine
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Engine Coolant Temperature
Sensor (5.2L) In water jacket, at front of
intake manifold.
Engine Coolant Temperature
Sensor (5.9L) In water jacket, at front of
intake manifold.
Engine Coolant Temperature
Page 522 of 1691
Sensor (8.0L) On thermostat housing.
Engine Oil Pressure Sensor
(Diesel) On left side of engine, near
ECM.
Engine Oil Pressure Sensor
(3.9L) Near distributor.
Engine Oil Pressure Sensor
(5.2L) Near distributor.
Engine Oil Pressure Sensor
(5.9L) Near distributor.
Page 523 of 1691
Engine Oil Pressure Sensor
(8.0L) Near oil filter.
Front Wheel Speed Sensors On left and right steering
knuckles.
Heated Oxygen Sensor (HO2S)
(Downstream) (3.9L) Near outlet end of catalytic\
converter.
Heated Oxygen Sensor (HO2S)
(Downstream) (5.2L) Near outlet end of catalytic\
converter.
Heated Oxygen Sensor (HO2S)
(Left Upstream) (5.9L Heavy Duty) In left exhaust manifold
downpipe.
Heated Oxygen Sensor (HO2S)
(Left Upstream) (8.0L) In left exhaust manifold
downpipe.
Heated Oxygen Sensor (HO2S)
(Post-Catalyst) (5.9L Medium Duty) Near outlet end of catalytic\
converter.
Heated Oxygen Sensor (HO2S)
(Post-Catalyst) (8.0L California) In exhaust pipe, rear of
catalytic converter.
Heated Oxygen Sensor (HO2S)
(Pre-Catalyst) (5.9L Medium Duty) At inlet of catalytic
converter.
Heated Oxygen Sensor (HO2S)
(Pre-Catalyst) (8.0L California) At inlet of catalytic
converter.
Heated Oxygen Sensor (HO2S)
(Right Upstream) (5.9L Heavy Duty) In right exhaust manifold
downpipe.
Heated Oxygen Sensor (HO2S)
(Right Upstream) (8.0L) In right exhaust manifold
downpipe.
Heated Oxygen Sensor (HO2S)
(Upstream) (3.9L) At inlet of catalytic
converter.
Heated Oxygen Sensor (HO2S)
(Upstream) (5.2L) At inlet of catalytic
converter.
Page 538 of 1691
![DODGE RAM 1999 Service Repair Manual SOLENOIDS & SOLENOID VALVES
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SOLENOIDS & SOLENOID VALVES
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Component Component Location \
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Duty Cycle EVAP/Purge Solenoid On bracket, mounted on right
inner fender.
Transmission Solenoid Assembly
(A/T) On left side of transmission.
Vehicle Speed Control Servo In engine compartment, below
battery.
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SWITCHES
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Component Component Location \
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A/C High Pressure Switch On discharge line, near A/C
compressor.
A/C Low Pressure Switch On top of A/C accumulator.
Page 540 of 1691
![DODGE RAM 1999 Service Repair Manual Stoplight Switch On brake pedal bracket. \
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Stoplight Switch On brake pedal bracket. \
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MISCELLANEOUS
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Blower Motor Resistor Block Behind right side of dash, on
A/C-heater housing.
Data Link Connector (DLC) Left bottom of dash.
Fuel Heater (Diesel) In top of fuel filter housing.
Ignition Coil 4-Pack & 6-Pack Right side of engine.
Page 544 of 1691
manufacturer-recommended, maintenance. We encourage participating
service and repair shops (including franchisees and dealers) to adopt
(1) a Pledge of Assurance to their Customers and (2) the Motorist
Assurance Program Standards of Service. All participating service
providers have agreed to subscribe to this Pledge and to adhere to the
promulgated Standards of Service demonstrating to their customers that
they are serious about customer satisfaction.
These Standards of Service require that an inspection of the
vehicle's (problem) system be made and the results communicated to the\
customer according to industry standards. Given that the industry did
not have such standards, the Motorist Assurance Program successfully
promulgated industry inspection communication standards in 1994-95 for
the following systems: Exhaust, Brakes, ABS, Steering and Suspension,
Engine Maintenance and Performance, HVAC, and Electrical Systems.
Further, revisions to all of these inspection communication standards
are continually re-published.
In addition to these, standards for Drive Train and
Transmissions have recently been promulgated. Participating shops
utilize these Uniform Inspection & Communication Standards as part of
the inspection process and for communicating their findings to their
customers.
The Motorist Assurance Program continues to work
cooperatively and proactively with government agencies and consumer
groups toward solutions that both benefit the customer and are
mutually acceptable to both regulators and industry. We maintain the
belief that industry must retain control over how we conduct our
business, and we must be viewed as part of the solution and not part
of the problem. Meetings with state and other government officials
(and their representatives), concerned with auto repair and/or
consumer protection, are conducted. Feedback from these sessions is
brought back to the association, and the program adjusted as needed.
To assure auto repair customers recourse if they were not
satisfied with a repair transaction, the Motorist Assurance Program
offers mediation and arbitration through MAP/BBB-CARE and other non-
profit organizations. MAP conducted pilot programs in twelve states
before announcing the program nationally in October, 1998. During the
pilots, participating repair shops demonstrated their adherence to the
Pledge and Standards and agreed to follow the UICS in communicating
the results of their inspection to their customers. To put some
"teeth" in the program, an accreditation requirement for shops was
initiated. The requirements are stringent, and a self-policing method
has been incorporated which includes the "mystery shopping" of
outlets.
We welcome you to join us as we continue our outreach... with
your support, both the automotive repair industry and your customers
will reap the benefits. Please visit MAP at our Internet site www.
motorist.org or contact us at:
1444 I Street, NW Suite 700
Washington, DC 20005
Phone (202) 712-9042 Fax (202) 216-9646
January 1999
MAP UNIFORM INSPECTION GENERAL GUIDELINES
OVERVIEW OF SERVICE REQUIREMENTS & SUGGESTIONS
It is MAP policy that all exhaust, brake, steering,
suspension, wheel alignment, drive-line, engine performance and
maintenance, and heating, ventilation and air conditioning, and
electrical services be offered and performed under the standards and
procedures specified in these sections.
Page 559 of 1691
Wire lead conductors
exposed ................ B .. Require repair or replacement.
Wire lead corroded ...... A .. Require repair or replacement.
Wire lead open .......... A .. Require repair or replacement.
Wire lead shorted ....... A .. Require repair or replacement.
(1) - Refer to manufacturer's diagnostic trouble code procedure
and require repair or replacement of affected
component(s).
( 2) - Determine cause and correct prior to repair or replacement
of part.
( 3) - Determine source of contamination, such as engine
coolant, fuel, metal particles, or water. Require
repair or replacement.
( 4) - Inoperative includes intermittent operation or out of OEM
specification. Some components may be serviceable; check
for accepted cleaning procedure.
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CRUISE CONTROL BRAKE SWITCHES
See SWITCHES.
CRUISE CONTROL CABLES
See CRUISE CONTROL LINKAGES AND CABLES .
CRUISE CONTROL CLUTCH SWITCHES
See SWITCHES.
CRUISE CONTROL LINKAGES AND CABLES
CRUISE CONTROL LINKAGE AND CABLE INSPECTION \
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Condition Code Procedure
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Bent .................... A .. Require repair or replacement.
Binding ................. A .. Require repair or replacement.
Bracket bent, affecting
performance ............ A .. Require repair or replacement.
Bracket bent, not
affecting performance .. .. ........ No service suggested or
required.
Bracket broken, affecting
performance ............ A ............ Require replacement.
Bracket broken, not
affecting performance .. .. ........ No service suggested or
required.
Bracket corroded,
affecting performance .. A .. Require repair or replacement.
Bracket corroded, not
affecting performance .. 2 .. Suggest repair or replacement.
Page 596 of 1691
B - E M IS SIO N A PPLIC ATIO N
1999 D odge P ic ku p R 1500
1999 ENGINE PERFORMANCE
Emission Applications - Trucks
CHRY
EMISSION APPLICATIONS
EMISSION APPLICATIONS \
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Engine & Major Emission Components & Other
Fuel Systems Systems & Devices Related Devices
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2.4L 4-Cyl. SFI PCV, EVAP, TWC, FR, (
2) EVAP-PSOL, EVAP-PRRV,
Caravan & Voyager SPK, (
1) HO2S, CEC, ( 2)( 3) EVAP-LDP,
MIL (
3) EVAP-LDPF, EVAP-VC,
SPK-CC
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2.5L 4-Cyl. SFI (
4) CCV, EVAP, TWC, ( 2) EVAP-PSOL, EVAP-PRRV,
Dakota FR, SPK, (
1) HO2S, ( 2)( 3) EVAP-LDP,
CEC, MIL (
3) EVAP-LDPF,
(
5) EVAP-CVV, EVAP-VC,
SPK-CC
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3.0L V6 SFI PCV, EVAP, TWC, FR, (
2) EVAP-PSOL, EVAP-PRRV,
Caravan & Voyager BP/EGR, SPK, (
2)( 6) EVAP-LDP,
(
1) HO2S, CEC, MIL ( 6) EVAP-LDPF, EVAP-VC,
(
2) BP/EGR-BPT, SPK-CC
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3.3L V6 SFI PCV, EVAP, TWC, FR, (
2) EVAP-PSOL, EVAP-PRRV,
Caravan, BP/EGR, SPK, (
2)( 3) EVAP-LDP,
Town & Country & (
1) HO2S, CEC, MIL ( 3) EVAP-LDPF, EVAP-VC,
Voyager (
2) BP/EGR-BPT, SPK-CC
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3.8L V6 SFI PCV, EVAP, TWC, FR, (
2) EVAP-PSOL, EVAP-PRRV,
Caravan & BP/EGR, SPK, (
2)( 3) EVAP-LDP,
Town & Country (
1) HO2S, CEC, MIL ( 3) EVAP-LDPF, EVAP-VC,
(
2) BP/EGR-BPT, SPK-CC
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3.9L V6 SFI PCV, EVAP, TWC, FR, (
2) EVAP-PSOL, EVAP-PRRV,
Dakota & Durango SPK, (
1) HO2S, CEC, ( 2)( 3) EVAP-LDP,
MIL (
3) EVAP-LDPF,
(
5) EVAP-VV, EVAP-VC,
SPK-CC
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3.9L V6 SFI PCV, EVAP, TWC, FR, (
2) EVAP-PSOL, EVAP-PRRV,
Ram Pickup SPK, (
1) HO2S, CEC, ( 2)( 6) EVAP-LDP,
MIL (
6) EVAP-LDPF,
(
6) EVAP-VV, EVAP-VC,
SPK-CC
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3.9L V6 SFI PCV, EVAP, TWC, FR, (
2) EVAP-PSOL, EVAP-PRRV,
Ram Van & SPK, (
1) HO2S, CEC, ( 2)( 3) EVAP-LDP,
Ram Wagon MIL (
3) EVAP-LDPF,
(
5) EVAP-VV, EVAP-VC,
SPK-CC
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5.2L V8 SFI PCV, EVAP, TWC, FR, (
2) EVAP-PSOL, EVAP-PRRV,
Dakota & Durango SPK, (
1) HO2S, CEC, ( 2)( 3) EVAP-LDP,
MIL (
3) EVAP-LDPF,
(
5) EVAP-VV, EVAP-VC,
SPK-CC