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Home >> Dodge and Ram >> 1987 >> Pickup D150, 5.2 2 >> Repair and Diagnosis >> Engine Performance >> System >> 3.7L/3.9/5.2L EFC System >> Testing & Diagnosis >> Sensor Read Test Codes >> Code 93

Code 93

This tests charge temperature switch circuit. With engine cold, display should be "01". With engine at normal operating temperature, display should be "03".

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