The sensor of temperature of EGR (system of repeated burning of exhaust gases) is established about the EGR valve.
1. For check of the sensor disconnect from it the electric socket and measure resistance of the sensor at various temperatures.
QX4.ONLINE S40.ONLINE A-8.ONLINE W124.ONLINE RX300.ONLINE W140.ONLINE B3-B4.SPACE B3B4.SPACE A-8.SPACE