P0404Medium Priority
Exhaust Gas Recirculation Circuit Range/Performance
Category: Powertrain• Auxiliary Emission Controls
10 articles · 3 makes affected
Owner Statistics
Based on 59,101 real owner discussions • 1855 confirmed solutions
$3,154
Average Repair Cost
3%
Success Rate
25%
DIY Repairs
59,101
Data Sources
About This Data
Statistics are aggregated from real owner discussions on Reddit, automotive forums, and YouTube comments. All data is anonymized and represents actual repair experiences reported by vehicle owners.
Frequently Appears With
These codes often appear together in owner reports. Check these if you see P0404.
- P04062 reports
- P04032 reports
- P04012 reports
- P04052 reports
- P01482 reports
- P06782 reports
- P06722 reports
- P04022 reports
Based on analysis of 16 owner reports where multiple codes appeared together.
Issues by Vehicle
HONDA
2010 Accord
Why Your Honda Accord Starter is Rattling (And How to Stop It)
70 sources
2010 Accord
Why Your 2010 Honda Accord Brakes Are Shaking and How to Fix It
129 sources
2010 Accord
How to Diagnose and Fix a Sticking Brake Caliper on Your 2010 Accord
167 sources
2010 Accord
How to Replace Your 2010 Honda Accord Timing Belt (With Real Owner Data)
184 sources
2020 Accord
Stopping the Knock in Your Honda Accord: A Ball Joint Diagnosis Guide
2.1K sources
2010 Accord
Why Your 2010 Honda Accord Has a Rough Idle (And the $25 Fix)
87 sources
2010 Accord
How to Fix Your 2010 Honda Accord's EGR Valve and Check Engine Light
83 sources