What causes the intermittent malfunction of the Cruze tachometer?

1 Answers
Ria
07/29/25 11:29am
Causes of intermittent malfunction of the Cruze tachometer: speedometer issue, wheel speed sensor problem, odometer sensor fault. Detailed explanation of causes: Speedometer issue: The speedometer in the instrument cluster malfunctions, causing the needle to stop moving. Wheel speed sensor problem: The vehicle's wheel speed sensor fails, resulting in the tachometer not functioning. Odometer sensor fault: The vehicle's mileage sensor malfunctions, leading to the tachometer not working. Tachometer function: Function: The tachometer is typically located within the instrument panel and operates based on magnetic principles. It receives pulse signals generated when the primary current in the ignition coil is interrupted, converting these signals into displayable RPM values. The faster the engine rotates, the more pulses the ignition coil generates, resulting in higher RPM readings on the display.
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