Engine-CodesDodge – P1494 Dodge

P1494 Dodge Code - EVAP Leak Detection Pump Pressure Switch Condition

Quick Answer

The P1494 Dodge code refers to an issue with the EVAP (Evaporative Emission) Leak Detection Pump Pressure Switch. Common causes include Faulty EVAP Leak Detection Pump Pressure Switch, EVAP system leaks or damage, Loose or damaged gas cap. 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
P1494 Dodge indicates EVAP Leak Detection Pump Pressure Switch Condition.
Common causes
Common causes include Faulty EVAP Leak Detection Pump Pressure Switch, EVAP system leaks or damage, Loose or damaged gas cap.
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.
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code P1494 Dodge Description

The P1494 Dodge code refers to an issue with the EVAP (Evaporative Emission) Leak Detection Pump Pressure Switch. This component is responsible for monitoring the pressure within the EVAP system and detecting any leaks that may occur. When this switch detects a problem, it triggers the check engine light and stores the P1494 code in the vehicle's computer system.

OBDII Code P1494 Dodge - EVAP Leak Detection Pump Pressure Switch Condition
P1494 Dodge Code - EVAP Leak Detection Pump Pressure Switch Condition

Common Causes of P1494 Dodge

  1. Faulty EVAP Leak Detection Pump Pressure Switch
  2. EVAP system leaks or damage
  3. Loose or damaged gas cap
  4. Clogged EVAP canister
  5. Electrical issues within the EVAP system

Symptoms of P1494 Dodge

  1. Check engine light is illuminated
  2. Decreased fuel efficiency
  3. Strong fuel odor
  4. Failed emissions test
  5. Rough idling or stalling

How to Fix P1494 Dodge

  1. Perform a diagnostic scan to confirm the P1494 code and identify the root cause of the issue.
  2. Inspect the EVAP system components for leaks, damage, or loose connections.
  3. Test the EVAP Leak Detection Pump Pressure Switch for proper functionality.
  4. Replace any faulty components, such as the pressure switch, EVAP canister, or gas cap.
  5. Clear the code from the vehicle's computer system and perform a test drive to ensure the issue has been resolved.

Cost to Fix P1494 Dodge

The cost of repairing a P1494 Dodge 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 between $150 to $500 for parts and labor. Keep in mind that additional diagnostic time may be required to pinpoint the exact problem, so it's best to consult with a mechanic for a more accurate estimate. Labor rates typically range from $80 to $150 per hour, but can be higher at dealerships or in metropolitan areas.

Tech Notes for P1494 Dodge





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When is the Code Detected?

Malfunction is detected when the Powertrain Control Module (PCM) detected the leak detection pump switch did not change after the solenoid was energized

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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.

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