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RPMs show zero - ETorque

Kidder

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Here is a new one, my RPMs show zero even though the truck is idling. As you can see, I have oil pressure. If the start/stop engaged, the RPMs would be zero, the green start/stop light would be illuminated, and oil pressure would be zero.

Weird
ba854d86dc83657baa668fa0f8736ed7.jpg
 

SpeedyV

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Here is a new one, my RPMs show zero even though the truck is idling. As you can see, I have oil pressure. If the start/stop engaged, the RPMs would be zero, the green start/stop light would be illuminated, and oil pressure would be zero.

Weird
ba854d86dc83657baa668fa0f8736ed7.jpg
One other forum member posted this previously, but I don't recall who it was (or the resolution).
 

Kidder

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One other forum member posted this previously, but I don't recall who it was (or the resolution).
Ah okay, I'll search for it. I hadn't seen that topic unless it was lumped into another thread.
 

Kidder

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Also, when I accelerated away from a stop, the RPMs jumped back up to normal.
 

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