Temperature Sensors

There are 2 temperature sensors used on this system. The charge temperature sensor, mounted in the intake manifold, measures the temperature of incoming air/fuel mixture. The other sensor is used to measure engine coolant temperature. It is mounted in thermostat housing.

Information provided by these 2 sensors to the logic module allows the module to demand slightly richer air/fuel mixtures and higher idle speeds during cold engine operation.

If the coolant temperature sensor should fail, the information supplied by the charge temperature sensor is sufficient to determine engine operating temperature and engine warm-up cycles until the coolant temperature sensor can be replaced.