The gauge must be giving a faulty reading.

标尺一定是给出了一个错误的读数。

《柯林斯英汉双解大词典》

This means: no more faulty reading as a result of wrong calibration, or unintended changes to the instrument configuration.

这意味着：没有错误的阅读，由于错误的校正，或无意改变仪器配置。

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For example, an input sensor may be feeding an accurate analog reading to a signal converter, but a faulty signal converter may be sending the CPU an inappropriate digital signal.

例如，输入传感器向信号转换器输入一个正确的模拟信号，但是错误的信号转换可能向CPU输入错误的数字信号。

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Loeb was even able to contend with a faulty electronic reading which indicated that Hirvonen had taken 14 seconds out of his lead on the penultimate stage, when in fact the margin was just 2.4 seconds.

CNN: Unstoppable Loeb makes it four from four