2006 DODGE RAM SRT-10 Service Repair Manual

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Page 2289 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual REMOVAL
3.7L V-6
The Crankshaft Position (CKP) sensor is mounted into
the right rear side of the cylinder block. It is positioned
and bolted into a machined hole.
1. Raise vehicle.
2. Disconnect senso

Page 2290 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 5.7L V-8
The Crankshaft Position (CKP) sensor (4) is located at
the right-rear side of the engine cylinder block. It is
positioned and bolted into a machined hole in the
engine block.
1. Raise vehicle

Page 2291 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 1. Disconnect electrical connector from crankshaft
position sensor.
2. Remove sensor mounting bolt.
3. Pull sensor out. A light tap to top of sensor may
ease removal.
INSTALLATION
3.7L V-6
1. Clean ou

Page 2292 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 4.7L V-8
1. Clean out machined hole in engine block.
2. Apply a small amount of engine oil to sensor
o-ring.
3. Install sensor (1) into engine block with a slight
rocking and twisting action.
CAUTION:

Page 2293 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual INJECTOR - FUEL
DESCRIPTION
An individual fuel injector (1) is used for each individ-
ual cylinder.
OPERATION
FUEL INJECTOR
The top (fuel entry) end of the injector (1) is attached
into an opening on

INJECTOR - FUEL
DESCRIPTION
An individual fuel injector (1) is used for each individ-
ual cylinder.
OPERATION
FUEL INJECTOR
The top (fuel entry) end of the injector (1) is attached
into an opening on the fuel rail.
The fuel injectors are electrical solenoids. The injector
contains a pintle that closes off an orifice at the nozzle
end. When electric current is supplied to the injector,
the armature and needle move a short distance
against a spring, allowing fuel to flow out the orifice.
Because the fuel is under high pressure, a fine spray
is developed in the shape of a pencil stream. The
spraying action atomizes the fuel, adding it to the air
entering the combustion chamber.
The nozzle (outlet) ends of the injectors are positioned
into openings in the intake manifold just above the
intake valve ports of the cylinder head. The engine
wiring harness connector for each fuel injector is
equipped with an attached numerical tag (INJ 1, INJ 2 etc.). This is used to identify each fuel injector.
The injectors are energized individually in a sequential order by the Powertrain Control Module (PCM). The PCM will
adjust injector pulse width by switching the ground path to each individual injector on and off. Injector pulse width is
the period of time that the injector isenergized. The PCM will adjust injector pulse width based on various inputs it
receives.
Battery voltage is supplied to the injectors through the ASD relay.
The PCM determines injector pulse width based on various inputs.
PCM OUTPUT
The nozzle ends of the injectors are positioned into openings in the intakemanifold just above the intake valve ports
of the cylinder head. The engine wiring harness connector for each fuel injector is equipped with an attached
numerical tag (INJ 1, INJ 2 etc.). This is used to identify each fuel injector with its respective cylinder number.
The injectors are energized individually in a sequential order by the Powertrain Control Module (PCM). The PCM will
adjust injector pulse width by switching the ground path to each individual injector on and off. Injector pulse width is
the period of time that the injector isenergized. The PCM will adjust injector pulse width based on various inputs it
receives.

Page 2294 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual Battery voltage (12 volts +) is supplied to the injectors through the ASD relay. The ASD relay will shut-down the 12
volt power source to the fuel injectors if the PCM senses the ignition is on,but th

Page 2295 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 5. Disconnect the electrical connector to the TPS and
Idle Air Control.
6. Remove the wiring harness from the wiring clips
under thew throttle body.
7. Disconnect the electrical connector from the fue

Page 2296 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual 8. Disconnect the fuel line quick connector.
9. Remove the bolts for the fuel rail.
10. Pull fuel rail and injectors straight up and out of
the intake manifold.
11. Move the fuel rail forward and out

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