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Dr-7A: Code 21, Testing Engine Coolant Temp Sensor

Fig 1: Test DR-7A Schematic - Code 21 Testing Engine Coolant Temperature Sensor

Fig 2: Test DR-7A Flow Chart - Code 21 (1 Of 2) Testing Engine Coolant Temperature Sensor

Fig 3: Test DR-7A Flow Chart - Code 21 (2 Of 2) Testing Engine Coolant Temperature Sensor