P0404 OBD II Trouble Code Exhaust Gas Recirculation Circuit Range/Performance - DTC Code

Detailed information on troubleshooting and repairing a p0404 automotive trouble code which refers to an EGR circuit range or performance issue. Also includes links to relevant forum topics on the code.

Symptoms of P0404 OBD II Trouble Code

Common Causes of P0404 OBD II Trouble Code