Bosch LU Electronic Fuel Injection

1. Remove temperature sensor and replace it with plug to prevent coolant loss.
2. After waiting at least 10 minutes, measure resistance of sensor in relation to temperature. At a temperature of 66 to 70°F, resistance should be 2.1k to 2.9k ohms. At a temperature of 174 to 178°F, resistance should be 250 to 390 ohms.