Live Data
Last reported case: 3 weeks ago
Based on 3 owner reports (1 from Reddit, 2 from forums)
What is P0401?
🚗P0401 on 2010 HONDA Accord
This page focuses specifically on P0401 issues reported by 2010 HONDA Accord owners. The experiences and fixes below are from real owners of this exact vehicle.
Symptoms Reported by 2010 HONDA Accord Owners:
surgingcheck engine lightanxiety
Parts Often Involved:
timing chainsealsvalveexhaust gas recirculation valvescreenhoodjumperheadvalve coverlift
What Owners Say
Real experiences from 2010 HONDA Accord owners
Experiencevia reddit_post
“(I think something like (“ACS”?) was already on.) brought to mechanic - not avail - he tried to get codes etc. -nothing much (I know nothing about cars).”View original
Experiencevia reddit_post
“brought to mechanic - not avail - he tried to get codes etc. -nothing much (I know nothing about cars). No info from scanner, would need to check it all out to diagnose.”View original
Cost Reportvia forum_post
“I GOT RID OF THE CHECK ENGINE LIGHT FOR 4 BUCKS! all you need is a bottle of carb cleaner and some basic car tools and an hour or 2 of your time. Go on youtube and watch video on this and I suggest this is the first thing you try before going out and buying an egr valve that you do not need.”View original
Experiencevia forum_post
“Go on youtube and watch video on this and I suggest this is the first thing you try before going out and buying an egr valve that you do not need. Chances are this will prob be your problem as well.”View original
Experiencevia forum_post
“I arrived & started the engine to see if it could be moved in what I assumed to be limp mode. I drove (very low power, missing badly, stalled once at a red light) a few miles to the shop & read the codes (Blue Driver).”View original
Experiencevia forum_post
“I drove (very low power, missing badly, stalled once at a red light) a few miles to the shop & read the codes (Blue Driver). P0401 (EGR System leak detected) P2646 (A Rocker Arm Actuator System performance/Stuck off bank 1) P0301, P0302, P0300, P0304 Cylinders misfiring (no P0303).”View original
These are real experiences shared by 2010 HONDA Accord owners on automotive forums and communities. Results may vary based on vehicle condition and repair quality.
About This Data
This page aggregates 3 discussions about P0401 from 2010 HONDA Accord owners across automotive communities.
Success rate (33%) is calculated from posts where owners confirmed whether their fix resolved the issue.
Last updated: 12/30/2025