AutoCodes – Infiniti – P1493 Infiniti

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

Quick Answer

P1493 Infiniti 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 Infiniti 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 4,861

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
Comments
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Code P1493 Infiniti Description

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

What does this mean?

What are the Possible Causes of the DTC P1493 Infiniti?

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 Infiniti?

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 Infiniti 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.

Need more information about the P1493 Infiniti code?

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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.