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Q: check engine light returns a wheel speed sensor issue. on 2001 Nissan Maxima

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How does the wheel speed sensor cause a check engine light. If it does should I replace the sensor?
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yes replace wheel speed sensor, it sounds like it is going bad, believe it or not, the wheel sensor does alot
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Is it a code for a wheel speed sensor or a Vehicle Speed Sensor (VSS)? VSS would cause a check engine light failure would result in loss of Speedometer and cruise control. A scan tool or oscilloscope is needed to check each wheel speed sensor.
The engine computer needs to know the vehicle speed, and the wheel speed sensors provide that info for the computer.
You need to pinpoint which sensor is bad and yes it should be replaced. Each one acts as a speedometer to the ECM so if one is different or out it will kick the light on...
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