P2422 — EVAP System Vent Valve Stuck Closed

What Does P2422 Mean?

P2422 is a diagnostic trouble code indicating: EVAP System Vent Valve Stuck Closed. This code relates to the powertrain system. It has been reported in NHTSA complaints across 3 different vehicle models.

Symptoms of P2422

⚠️ Check engine light illuminated

Common Causes

🔍 EVAP system component failure
🔍 Sensor or control module malfunction

P2422 Reports by Year

2016

2

2015

1

2018

1

2014

1

Real Owner Reports

From NHTSA complaint database — actual owner descriptions.

"CHECK ENGINE LIGHT CAME ON. AN INDEPENDENT GARAGE SCANNED THE CODE AS P2422 EVAP EMISSION SYSTEM VENT VALVE STUCK CLOSED. FUEL TANK DOES NOT SEEM TO FILL ALL THE WAY, AND SOMETIMES A FUEL ODER IS PRESENT. ONLINE SEARCH MENTIONED THERE IS A TECHNICAL SERVICE BULLETIN #11-036 FOR THIS CODE. TOOK "
— Honda Civic owner, 08/08/2016

"I CALLED HONDA CUSTOMER CARE AND THEY TOLD ME THAT THE PROBLEM THAT I AM EXPERIENCING IS NOT COVERED ANY LONGER UNDER THE WARRANTY. WHEN I TURNED LEFT, A CLUNKING NOISE CAN BE HEARD, AT FIRST I THOUGHT IT WAS A DRIVE AXLE. BROUGHT TO THE DEALER, CHARGED ME A DIAGNOSTIC FEE AND THEY CONFIRMED THAT IT"
— Honda Civic owner, 05/04/2015

"I HAD AN ENGINE LIGHT ON ON 8/5/2918 CALL DEALER SHIP TO SET AN APPOINTMENT ON 8/6/2018. ADVICE FOUND FTC P2422 EVAP CVS STUCK CLOSED INDICATING FTP SENSOR AND CANISTER MALFUNCTION, CANISTER TO MALFUNCTIONING DUE TO THE GEOGRAPHICAL ARE WHERE VEHICLE IS DRIVEN AND PARK. DUST AND DIRT WILL COLLECT AN"
— Honda Civic owner, 08/06/2018

Source: NHTSA Complaints Database

Most Reported Vehicles for P2422

Based on NHTSA owner complaint data.

#	Vehicle	Reports
1	HONDA CIVIC
2	HONDA ACCORD
3	HONDA CR-V

P2422 Reports by Vehicle

Detailed NHTSA complaint analysis for each vehicle model.

HONDA CIVIC

3 NHTSA reports · Peak: 2009, 2011, 2016

Frequently Asked Questions

Can I drive with this code?

It depends on the severity. If the vehicle runs normally, short trips are usually OK. If you notice performance issues, drivability problems, or warning lights beyond the check engine light, get it checked soon.

Will this code clear itself?

Some codes clear automatically after the underlying issue is fixed and several drive cycles pass. But the root cause must be addressed first.

How do I find the exact cause?

A code alone doesn't pinpoint the failed part. You need a diagnostic scan ($50-150 at most shops) that reads freeze frame data and live sensor readings to identify the specific component.

What To Do Next

Possible Fixes

🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
🔧 Check and tighten the gas cap — replace if cracked or damaged ($5-15)
🔧 Test the relevant sensor(s) with a multimeter before replacing
🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P2422: EVAP System Vent Valve Stuck Closed