P0401Medium Priority
Exhaust Gas Recirculation Flow Insufficient Detected
Category: Powertrain• Auxiliary Emission Controls
14 articles · 2 makes affected
Owner Data Insights
Frequently Appears With P0401
These codes often appear together in owner reports. Check these if you see P0401.
Based on analysis of 11 owner reports where multiple codes appeared together.
Owner Statistics for P0401
Based on 28 real owner discussions • 2 confirmed solutions
7%
Success Rate
28
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.
P0401 Issues by Vehicle
HONDA
2010 Accord
2010 Honda Accord Battery Draining? Here's How to Fix It
78 sources
2010 Accord
Fixing the 2010 Honda Accord Timing Chain Rattle and VTC Actuator Noise
80 sources
2010 Accord
Why Your 2010 Honda Accord is Rattling and Misfiring (Valve Cover Leak Guide)
99 sources
2010 Accord
How to Diagnose and Fix an Exhaust or Intake Manifold Leak on Your 2010 Accord
103 sources
2010 Accord
Timing Chain Replacement Issues on the 2010 Honda Accord: What Owners Report
146 sources
2010 Accord
Fixing a Blown Head Gasket on Your 2010 Honda Accord
245 sources
2020 Accord
Fixing a Failing CVT in Your 2020 Honda Accord
486 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
FORD
2020 Expedition
How to Diagnose and Fix a Coolant Leak in Your Ford Expedition
100 sources
2020 Ranger
How to Diagnose and Fix a Vacuum Leak on Your Ford Ranger
118 sources
2010 Mustang
How to Fix Your 2010 Mustang's Throttle Body Hesitation and Bucking
147 sources
2020 Expedition
Why Your 2020 Ford Expedition Feels Squirrely and How to Fix It
100 sources