Question about 1991 Honda Accord

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Speed sensor and overdrive

The sports light starts blinking, my overdrive kicks off right when it starts blinking, speedometer doesnt work, odometer doesnt work, check engine light come on. i am aware that it needs a speed sensor but whats the deal with the overdrive?

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  • Anonymous Mar 27, 2014

    check engine light is on. started to blink and seemed like the engine was sputtering. after turning car off, check engine light is on but no longer blinking. still sputtering

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  • Master
  • 373 Answers

Hi...
On your honda , This problem is common.
The SPEED SENSOR come damaged, Affecting the Overdrive Funtion and Speedometer
And give the Code to the Engine (check Engine) and The transmission. (S light blinking).
I recomend as Initial step.
Inspect the Speed sensor and the Connector,
If they Look good Replace the SPEED SENSOR.

OK. I hope this help on your problem.
Thank you for use fixya..

Posted on Oct 01, 2008

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  • Honda Master
  • 60,867 Answers

OVERDRIVE ENGAGEMENT IS TIED TO THE SPEED SENSOR SIGNAL, THE SYSTEM WILL NOT GO INTO OD UNTIL THE CAR REACHES A CERTAIN SPEED, IN MOST CASES AROUND 35-40 MPH, THE SPEED SENSOR SIGNAL TELLS THE ECU WHEN THE CORRECT SPEED HAS BEEN REACHED.

Posted on Oct 01, 2008

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