How To Retrieve Your Jeep's Diagnostic Code | Quadratec
2004 Pontiac grand am, got code p0401&p0405 and still there after changing egr, I was told to clean a tube from carbon but I can't figure out which one : r/MechanicAdvice
How to Fix JEEP P0405 Engine Code in 3 Minutes [2 DIY Methods / Only $4.66] - YouTube
Code P0405: Exhaust Gas Recirculation Sensor A Circuit Low - In The Garage with CarParts.com