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Home › Jeep › 2007 › Commander Overland, RWD › Repair and Diagnosis (Single Page) › Accessories & Equipment › Communication Devices › Electronic Control Modules (Service Information) › Electronic Control Modules › Module-Engine Control (Diesel) › Operation › Engine Control Module (ECM) › Engine Start-Up Mode

Engine Start-Up Mode

The ECM uses the engine temperature sensor and the crankshaft position sensor (engine speed) inputs to determine fuel injection quantity.