16784/P0400/001024
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16784/P0400/001024 - Exhaust Gas Recirculation (EGR) System: Malfunction
Possible Symptoms
- Malfunction Indicator Light (MIL) ON
 - Reduced Exhaust Gas Recirculation (EGR)
 - Reduced Power Output/Engine running rough
 - Increased Emissions
 
Possible Causes
- Wiring and/or Connector(s) from/to Exhaust Gas Recirculation (EGR) Valve faulty
 - Exhaust Gas Recirculation (EGR) Valve faulty
 - Exhaust Gas Recirculation (EGR) System faulty
 
Possible Solutions
- Check Wiring and/or Connector(s) from/to Exhaust Gas Recirculation (EGR) Valve
 - Check/Replace Exhaust Gas Recirculation (EGR) Valve
 - Check Exhaust Gas Recirculation (EGR) System