AutoCodes – Nissan – P1493 Nissan

P1493 Nissan Code - EVAP Canister Purge Control Valve/Solenoid Valve Stuck Open

Quick Answer

P1493 Nissan indicates EVAP Canister Purge Control Valve/Solenoid Valve Stuck Open. Common causes include EVAP Canister Purge Control Valve Stuck Open, Faulty EVAP Canister Purge Control Valve, EVAP Canister Purge Control Valve harness is open or shorted. 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: P1493 Nissan indicates EVAP Canister Purge Control Valve/Solenoid Valve Stuck Open.
Common causes: Common causes include EVAP Canister Purge Control Valve Stuck Open, Faulty EVAP Canister Purge Control Valve, EVAP Canister Purge Control Valve harness is open or shorted.
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 Popularity 25,707

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 25, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1493 Nissan Description

OBDII Code P1493 Nissan - EVAP Canister Purge Control Valve/Solenoid Valve Stuck Open - AutoCodes.com — P1493 Nissan Code - EVAP Canister Purge Control Valve/Solenoid Valve Stuck Open

What does this mean?

What are the Possible Causes of the DTC P1493 Nissan?

EVAP Canister Purge Control Valve Stuck Open
Faulty EVAP Canister Purge Control Valve
EVAP Canister Purge Control Valve harness is open or shorted
EVAP Canister Purge Control Valve circuit poor electrical connection
Faulty Fuel Tank Pressure Sensor
Block EVAP Hose

How to Fix the DTC P1493 Nissan?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1493 Nissan code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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Need Help with the Code?

Get the P1493 Nissan code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1493 Nissan Code

1. What are the common symptoms of OBDII code P1493 in a Nissan related to the EVAP Canister Purge Control Valve/Solenoid Valve?

- Common symptoms include rough idling, decreased fuel efficiency, illuminated check engine light, and potential fuel odor.

2. What typically causes the EVAP Canister Purge Control Valve/Solenoid Valve to get stuck open in a Nissan, triggering code P1493?

- The most common causes are a faulty purge control valve/solenoid, a vacuum leak in the EVAP system, or a broken/cracked EVAP hose.

3. How important is it to address OBDII code P1493 in a Nissan related to the EVAP system?

- It is important to address this code promptly to prevent potential damage to the vehicle's engine and emissions system, as well as to maintain optimal fuel efficiency.

4. Can I continue driving my Nissan with OBDII code P1493 related to the EVAP Canister Purge Control Valve/Solenoid Valve stuck open?

- While the vehicle may still be operational, it is recommended to address the issue as soon as possible to avoid further complications and potential damage.

5. How can I diagnose the EVAP Canister Purge Control Valve/Solenoid Valve issue causing OBDII code P1493 in my Nissan?

- Diagnosis typically involves inspecting the purge valve/solenoid, checking for vacuum leaks, and testing the EVAP system using a scan tool to pinpoint the exact cause.

6. What are some DIY repair tips for fixing OBDII code P1493 related to the EVAP Canister Purge Control Valve/Solenoid Valve in a Nissan?

- DIY repair tips include checking and replacing the purge valve/solenoid, inspecting and repairing any damaged hoses, and clearing the code with an OBDII scanner.

7. Can a faulty gas cap cause OBDII code P1493 in a Nissan related to the EVAP system?

- While a faulty gas cap can sometimes trigger EVAP-related codes, OBDII code P1493 specifically points to an issue with the Canister Purge Control Valve/Solenoid Valve.

8. How much does it typically cost to repair OBDII code P1493 related to the EVAP system in a Nissan at a mechanic?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Are there any preventative maintenance steps I can take to avoid OBDII code P1493 in my Nissan related to the EVAP system?

- Regularly checking and replacing the gas cap, inspecting the EVAP system for leaks, and ensuring proper maintenance of the purge valve can help prevent this code.

10. Will resetting the check engine light make OBDII code P1493 related to the EVAP system in a Nissan go away permanently?

- Resetting the check engine light may temporarily clear the code, but if the underlying issue with the Canister Purge Control Valve/Solenoid Valve is not addressed, the code is likely to reappear.