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Amedee, Dodge Technician
Category: Dodge
Satisfied Customers: 24123
Experience:  ASE certified tech advanced level specialist. Wisconsin certified emissions state inspector
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Dodge RAM 1500 4x2 Engine shuts off while driving. All gages

Customer Question

Engine shuts off while driving. All gages goes to off position. When trying to restart engine,gages stays in off position.Sometimes after a while engine will start. This is a 2001 dodge ram truck with 56000 miles .
Submitted: 5 years ago.
Category: Dodge
Expert:  Amedee replied 5 years ago.

When this happens, the first thing to do is to be sure the computer is awake. Turn the key on and check reference voltage to the tps, cam and crank sensors. If there is full reference voltage, check to be sure the ASD relay is engaging when trying to start the engine and that there is power to the injectors and coil/coils when cranking. IF there is no power to the injectors or coil when cranking and the ASD relay is not engaging, then we might have a bad cam or crank sensor (or a valve timing issue).

If there is no reference voltage to these sensors with the key on, then the computer might not be waking up. We will need to check all powers and grounds going into the computer with the key on. This includes, all powers through the computer fuses, fusible links and even the ignition switch.

Hint: Sometimes the cam and crank sensors can short out and pull the computer down temporarily. If all powers and grounds check out and we still do not have any reference voltage to the cam, crank or the tps, then disconnect them one by one with the key on to see if the reference voltage comes back. If so, then one of the sensors is bad and will need to be replaced.