Part Type: Engine Coolant Temperature Sensor. Engine Coolant Temperature Sensor. 1993 Jeep Wrangler Engine: 2.5L L4; EngineVIN: P;. 1993 Jeep Wrangler Engine: 4.0L L6; EngineVIN: S;. 1994 Jeep Wrangler Submodel: Renegade; Engine: 4.0L L6; EngineVIN: S;.