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Home >> Ford >> 2005 >> Escape Hybrid, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls - Description & Operation (Except Diesel & Hybrid)) >> Dual-Injection Fuel Delivery System >> Fuel Select Switch Circuit

Fuel Select Switch Circuit

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The fuel select switch (FSSW) circuit is used by the PCM to toggle between single-injection and dual-injection fuel modes. When torque demand reaches a calibrated limit the PCM requests the secondary injectors by toggling the FSSW circuit.