Dodge RAM 1500 1998 Owner's Manual page 1590

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ACCELERATOR PEDAL
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 21
ACCELERATOR PEDAL POSITION SENSOR
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 22
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 22
CRANKSHAFT POSITION SENSOR
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 23
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 25
FUEL INJECTOR
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 26
OPERATION
OPERATION - FUEL INJECTOR
OPERATION - PCM OUTPUT
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 27
FUEL PUMP RELAY
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 27
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 28
IDLE AIR CONTROL MOTOR
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 28
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 29
ACCELERATOR PEDAL
REMOVAL
The following procedure applies only to vehicles
without the Adjustable Pedal Package (code XAP).
The accelerator pedal is serviced as a complete
assembly including the bracket.
The accelerator cable is connected to the upper
part of the accelerator pedal arm by a plastic
retainer (clip) (Fig. 1). This plastic retainer snaps
into the top of the accelerator pedal arm.
(1) From inside the vehicle, hold up accelerator
pedal. Remove plastic cable retainer (clip) and throt-
tle cable core wire from upper end of accelerator
pedal arm (Fig. 1). Plastic cable retainer (clip) snaps
into pedal arm.
FUEL INJECTION - GAS
TABLE OF CONTENTS
page
. . . . . . . . . . 26
. . . . . . . . . . . . 27
FUEL INJECTION - GAS
INTAKE AIR TEMPERATURE SENSOR
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 30
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 31
MAP SENSOR
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 32
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 34
OXYGEN SENSOR
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 35
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 36
PTO SWITCH
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 36
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
THROTTLE BODY
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 36
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 37
THROTTLE CONTROL CABLE
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 40
THROTTLE POSITION SENSOR
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 41
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 43
(2) Remove 2 accelerator pedal mounting bracket
nuts. Remove accelerator pedal assembly.
INSTALLATION
(1) Place accelerator pedal assembly over 2 studs.
(2) Install and tighten 2 mounting nuts. Refer to
Torque Specifications.
(3) Slide throttle cable into opening slot in top of
pedal arm.
(4) Push plastic cable retainer (clip) into accelera-
tor pedal arm opening until it snaps into place.
(5) Before starting engine, operate accelerator
pedal to check for any binding.
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