P1446 Nissan Code - EVAP Canister Vent Control Valve Close
Quick Answer
The P1446 Nissan code indicates an issue with the EVAP (Evaporative Emission Control System) Canister Vent Control Valve. Common causes include Faulty EVAP Canister Vent Control Valve, Damaged or corroded wiring connected to the valve, Clogged vent line or charcoal canister. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1446 Nissan indicates EVAP Canister Vent Control Valve Close.
- Common causes
- Common causes include Faulty EVAP Canister Vent Control Valve, Damaged or corroded wiring connected to the valve, Clogged vent line or charcoal canister.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P1446 Nissan Description
The P1446 Nissan code indicates an issue with the EVAP (Evaporative Emission Control System) Canister Vent Control Valve. This valve is responsible for controlling the flow of fuel vapor from the EVAP system to the engine intake manifold. When the valve fails to close properly, it can lead to fuel vapors escaping into the atmosphere, causing environmental pollution and potentially affecting the vehicle's performance.
Common Causes of P1446 Nissan
- Faulty EVAP Canister Vent Control Valve
- Damaged or corroded wiring connected to the valve
- Clogged vent line or charcoal canister
- Vacuum leaks in the EVAP system
- ECM (Engine Control Module) issues
Symptoms of P1446 Nissan
- Check engine light illuminated on the dashboard
- Reduced fuel efficiency
- Strong fuel odor near the vehicle
- Difficulty starting the engine
- Rough idle or stalling
How to Fix P1446 Nissan
- Diagnose the issue using an OBD-II scanner to confirm the P1446 code
- Inspect the EVAP Canister Vent Control Valve, wiring, and vent line for any damage or blockages
- Replace the faulty valve if necessary
- Repair or replace any damaged wiring or components in the EVAP system
- Clear the code and perform a test drive to ensure the issue is resolved
Cost to Fix P1446 Nissan
The cost to repair a P1446 Nissan code can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay anywhere from $150 to $400 for parts and labor. Keep in mind that rates at dealerships or in metropolitan areas may be higher, while independent shops tend to charge less. It's recommended to get quotes from multiple auto repair shops to find the best price for your specific situation.
Tech Notes for P1446 Nissan
2005 Nissan Pathfinder
2006 Nissan Pathfinder
2007 Nissan Pathfinder
2005-2007 Nissan Pathfinder Service Bulletin OBDII Code P1446
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Information for Specific Nissan Models
- P1446 2002 Nissan Altima Sedan — EVAP Canister Vent Control Valve Close
- P1446 2003 Nissan Altima Sedan — EVAP Canister Vent Control Valve Close
- P1446 2004 Nissan Altima Sedan — EVAP Canister Vent Control Valve Close
- P1446 2005 Nissan Altima Sedan — EVAP Canister Vent Control Valve Close
- P1446 2004 Nissan Maxima — EVAP Canister Vent Control Valve Close
- P1446 2005 Nissan Maxima — EVAP Canister Vent Control Valve Close
- P1446 2002 Nissan Sentra — EVAP Canister Vent Control Valve Close
- P1446 2003 Nissan Sentra — EVAP Canister Vent Control Valve Close
- P1446 2004 Nissan Sentra — EVAP Canister Vent Control Valve Close
- P1446 2005 Nissan Sentra — EVAP Canister Vent Control Valve Close
- P1446 2006 Nissan Sentra — EVAP Canister Vent Control Valve Close
Frequently Asked Questions about P1446 Nissan Code
No Frequently Asked Questions about P1446 Nissan Code found.
Discuss the causes and fixes for P1446 Nissan OBDII Code
-
so what part would have to be replaced if this code came up. i was told at orielly auto that the canister vent purge valve would have to be changed. what will happen to your vehicle if you keep driving your vehicle like this.
heres what came up at autozone............
Troubleshooting P1146
OEM Brand: Nissan/DatsunDefinition
aaEVAP canister vent control valve (closed)
Probable causeaa1- Failed canister vent solenoid
aa2-Failed EVAP pressure sensor -
If you don't replaced the valve, the engine light will remain ON and it wont pass the smog test.
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I already change the valve and the light stays on, the canister has no water and code 1446 still appears, What is wrong?
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What model and year is your Nissan? Check the hose that connects from the valve to the body, debris or spider web can clogged the vent hose and blocking vapors.
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Do you have 4 or 6 cylinder engine? The most common cause that triggers the P1446 is the EVAP canister vent solenoid.
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