| The Vehicle Speed sensor or VSS measures transmission/ transaxle output or wheel speed. The ECM uses this information to modify engine functions such as ignition timing, AF ratio, transmission shift points, and to initiate diagnostic routines.
What makes NAPA Echlin Vehicle Speed Sensors the best.
- As a basic manufacturer, NAPA Echlin has complete control of the manufacturing process from componentry to finished product for a trouble-free product.
- 100% environmental, endurance and end-of-line testing for signal amplitude and polarity ensures consistent product reliability and performance.
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