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P0479 Exhaust Pressure Control Valve “A” Intermittent P047A Exhaust Pressure Sensor “B” Circuit P047B Exhaust Pressure Sensor “B” Circuit Range/Performance P047C Exhaust Pressure Sensor “B” Circuit Low P047D Exhaust Pressure Sensor “B” Circuit High P047E Exhaust Pressure Sensor “B” Circuit Intermittent/Erratic P047F Exhaust Pressure Control Valve “A” Stuck Open P0480 Cooling Fan I Control Circuit Malfunction P0481 Cooling Fan 2 Control Circuit Malfunction P0482 Cooling Fan 3 Control Circuit Malfunction P0483 Cooling Fan Rationality Check Malfunction P0484 Cooling Fan Circuit Over Current P0485 Cooling Fan Power/Ground Circuit Malfunction P0486 Exhaust Gas Recirculation Sensor “B” Circuit P0487 Exhaust Gas Recirculation Throttle Control Circuit “A” Open P0488 Exhaust Gas Recirculation Throttle Control Circuit “A” Range/Performance P0489 Exhaust Gas Recirculation “A” Control Circuit Low P048A Exhaust Pressure Control Valve “A” Stuck Closed P048B Exhaust Pressure Control Valve Position Sensor/Switch Circuit P048C Exhaust Pressure Control Valve Position Sensor/Switch Circuit Range/Performance P048D Exhaust Pressure Control Valve Position Sensor/Switch Circuit Low P048E Exhaust Pressure Control Valve Position Sensor/Switch Circuit High P048F Exhaust Pressure Control Valve Position Sensor/Switch Circuit Intermittent/Erratic P0490 Exhaust Gas Recirculation “A” Control Circuit High P0491 Secondary Air Injection System Insufficient Flow Bank 1 P0492 Secondary Air Injection System Insufficient Flow Bank 2 P0493 Fan Overspeed P0494 Fan Speed Low P0495 Fan Speed High P0496 EVAP Flow During A Non-Purge Condition

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