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This is a temperature to resistance chart for Ford coolant and air charge temperature sensors.
Tech Tip Corner
Ford Coolant and Air Charge Temperature Sensors
1. Measure the resistance of a Ford coolant temperature sensor or air charge temperature sensor and compare with chart.
2. Measured resistance should be at the resistance value on the chart based on the temperature of the sensor, plus or minus 50 ohms.
Temperature - Degrees Fahrenheit Resistance - Ohms 180 3600 185 3375 190 3150 195 2925 200 2700 Ideal range 205 2475 at normal 210 2250 operating 215 2025 temperature 220 1800