OEM, Not After Market , Vehicle Specific Engine Camshaft Position Sensor - Toyota (19300-62010) ; MSRP: $272.11 ; Discount: $81.63 (30% off) ; Manufacturer Warranty Minimum of 12 Months ; Guaranteed... With data from the camshaft position sensor (CPS), the fuel injectors know when to fire. Camshaft position sensor - MTC 1010852 - Toyota 19300BZ020 9091905024 Scion Toyota 19300-62010 Engine Camshaft Position Sensor Bank 1 19300-50011 - Engine Camshaft Position Sensor - 2004-2009 Toyota Genuine Toyota Part It is common for heat and oil leaks to cause this sensor to fail, due to where the sensor is located., And Vehicle Specific Aazon.co: Toyota 19300-62010 Engine Cashaft Position Sensor The faulty readouts may also throw off spark timing, which will affect the car's fuel economy. When the sensor malfunctions, the computer does not know when to fire the injectors and may not fire them at all.