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P2494 Code – Exhaust Gas Recirculation Cooler Bypass Position Sensor Circuit Low Voltage

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Code P2494 Possible Causes
Exhaust Gas Recirculation Cooler Bypass Valve harness is open or shorted
Faulty Engine Control Module ECM
Faulty Exhaust Gas Recirculation EGR Cooler Bypass Valve
Exhaust Gas Temperature Sensor circuit poor electrical connection
Exhaust Gas Temperature Sensor harness is open or shorted

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