PO401 indicates an abnormal EGR flow.
i got the code 401 for 2005 mitsubishi galant?
exhaust gas recirculation flow insuficient
2001 ford windstar has code PO401 erg insufficent flow.
exhaust gas recirculation flow insuffcent detected
Trouble code P0172 means: System too rich (Bank 1)
To get the radio code for the Hyundai Excel you need to request it from Hyundai.
Trouble code P0401 means:Exhaust gas recirculation-insufficient flow detected
Error code PO401 on a 2003 Mitsubishi Lancer typically indicates an issue with the EGR (Exhaust Gas Recirculation) system, often related to insufficient flow. To fix it, start by checking the EGR valve for blockages or damage and clean or replace it if necessary. Additionally, inspect the vacuum lines and passages for any leaks or obstructions. If these components are in good condition, further diagnostics may be needed to check for issues with the engine control unit or related sensors.
2003 hyundai accent diagram
The 2003 Hyundai Elantra has 16 valves.
The 2003 Hyundai Sonata has 16 valves.
The 2003 Hyundai Accent has 16 valves.