Shuts off while driving

2002 DODGE RAM
321,000 MILES • 5.9L • V8 • 4WD • AUTOMATIC
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FARRISH29
  • MEMBER
  • 2 POSTS
Be driving and in about fifteen minutes after warms up the gauges will drop to 0 and shuts off until about six hours. Have replaced the computer and and the camshaft sensor.
Dec 19, 2020 at 3:52 AM
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JACOBANDNICKOLAS
  • Experienced Mechanic
  • 110,240 POSTS
Hi,

What you described sounds like a bad crankshaft position sensor and not the camshaft sensor. Take a look through this link and let me know if it seems to mirror what you experience:

https://www.2carpros.com/articles/symptoms-of-a-bad-crankshaft-sensor

Interestingly, a faulty crankshaft position sensor may not set the check engine light. To confirm this is the issue, when it doesn't restart, you can either check to see if there is ignition spark to the plugs or if you have a live data scan tool, you could check to see if there is an RPM signal.

Here is a link you may find helpful for checking for spark:

https://www.2carpros.com/articles/how-to-test-an-ignition-system

If there is no spark or no RPM signal, try the crank sensor. Here is a link that shows in general how to replace a crankshaft sensor;

https://www.2carpros.com/articles/crankshaft-angle-sensor-replacement

Here are the directions specific to your vehicle. Note: The Crankshaft Position (CKP) sensor is located near the outer edge of the flywheel (transmission bell housing).

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2002 Dodge or Ram Truck RAM 1500 Truck 4WD V8-5.9L VIN Z
Procedures
Vehicle Powertrain Management Sensors and Switches - Powertrain Management Sensors and Switches - Computers and Control Systems Crankshaft Position Sensor Service and Repair Procedures
PROCEDURES
Fig. 13 CKP Removal/Installation - 5.9L

see pic 1

REMOVAL
The sensor is bolted to the top of the cylinder block near the rear of right cylinder head.
1. Raise vehicle.
2. Disconnect crankshaft position sensor pigtail harness from main wiring harness.
3. Remove two sensor (recessed hex head) mounting bolts.
4. Remove sensor from engine.

INSTALLATION
1. Position crankshaft position sensor to engine.
2. Install mounting bolts and tighten to 8 Nm (70 in. lbs.) torque.
3. Connect main harness electrical connector to sensor.
4. Lower vehicle.

__________________________

Let me know if this helps or if you have other questions.

Take care,
Joe
Dec 19, 2020 at 7:54 AM
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