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Jim Grant Tech Tips Jim Grant Tech Tips
A collection of helpful articles based on reader submissions
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  Jim Grant's Tech TipsJim Grant's Tech Tips
Below is a collection of Jim Grant's Tech Tips sorted by Vehicle Make. These Tech Tips were answers to questions submitted to Jim by ALLDATAdiy.com users over the course of many years.
If you have any questions, please feel free to email us.
 
 

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  Jim Grant's Tech Tips

‘90 Honda Accord, What’s a VSS?

Q: The other day during a quick acceleration in my ‘90 Honda Accord, the speedometer quit working, my check engine light came on, and my sport shift light started flashing. My mechanic said that it is the VSS. What is the VSS and what’s involved replacing it?

A: The VSS is the Vehicle Speed Sensor. The VSS creates an electrical signal that is used by the vehicle’s computer for engine and transmission management (if equipped with an automatic transmission). The signal from the VSS is also used by the speed-o-meter to determine vehicle speed and distance traveled. Knowing this you can understand why the check engine light and sport shift light (for the transmission) are complaining. Of course the speed-o is not operating as well. The VSS is located at the rear for the transmission and has a 3-wire connector plugged into it. Only 2 small bolts hold it in place and it is not that hard to change. Word of caution, there is this little piece called a drive link that is driven by the transmission and goes into the VSS. The little bugger is easy to lose and a replacement is hard to get.

 
     
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