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Why is the oil gauge of a multi-cylinder diesel engine not moving?

1 Answers

SanMelanie

07/30/25 6:59am

The reason why the oil gauge of a multi-cylinder diesel engine does not move is due to a malfunction in the oil pressure gauge. Specific causes for the oil gauge of a multi-cylinder diesel engine not moving: Faulty oil pressure sensor, broken connecting wires, or issues with the engine lubrication system. Once these problems are encountered, it is necessary to diagnose the specific issue and promptly resolve the fault. Methods to troubleshoot the issue: Close the ignition switch, start the engine, and maintain medium-speed operation. If the fuel gauge pointer also points below 0, it indicates a disconnection in the wire from the ignition switch to the fuel gauge's upper terminal. If the oil gauge pointer quickly moves from 0 to 5, it suggests a circuit fault between the oil gauge and the pressure sensor. Ground the oil pressure sensor terminal; if the fuel gauge pointer indicates the corresponding fuel level in the tank, use a screwdriver to ground the oil pressure sensor terminal. If the oil gauge pointer remains below 0, it may indicate a disconnection between the fuel gauge's upper terminal and the oil gauge, a damaged oil gauge, or a broken wire between the oil gauge and the oil pressure sensor. Once the problem is detected, proceed with repairs promptly to restore the oil gauge's display.

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