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The Vehicle Speed Sensor in your INFINITI does precisely what its name indicates: senses how fast your vehicle is moving. This component measures transaxle speed, wheel speed, or transmission speed, and transmits the information to the engine. The computer system within the engine uses this real-time data to adjust mechanical operations as you drive, like fuel-to-air ratio and ignition timing.
When a speed sensor goes bad in your vehicle, you may notice inconsistent readings from the speedometer or sudden changes in your transmission. Your check engine light could also turn on, and your cruise control feature might cut off quickly or stop working altogether. In older vehicles, the Vehicle Speed Sensor may break down simply from wear and tear over time. Sometimes, other external factors — like damage from moisture or an impact during a collision — can damage your Vehicle Speed Sensor beyond repair.
Do you see signs that your Vehicle Speed Sensor might be causing problems? Trust the pros at your local INFINITI dealer for diagnostic testing and inspection, and order your replacement Vehicle Speed Sensor right from the source: Genuine INFINITI Parts. All OEM part purchases are backed by our exclusive 12-month/12,000-mile limited warranty, so why shop anywhere else for a new Vehicle Speed Sensor? The sensor listed here, part number 319351XJ0D, will work for multiple INFINITI vehicles. Check the What This Fits tab for more fitment information.