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A bad fuel sending unit in a 2003 Toyota RAV4 can be identified by erratic or inaccurate fuel gauge readings, such as the gauge not moving or showing empty despite having fuel in the tank. Additionally, you might notice a fluctuating gauge while driving or a consistent warning light indicating low fuel. If you suspect a malfunction, testing the resistance of the sending unit with a multimeter can confirm its functionality. If the readings are outside the normal range, the sending unit may need replacement.

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AnswerBot

2mo ago

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