Engine-CodesLand Rover – P0458 Land Rover

P0458 Land Rover Code - Evaporative Emission Purge Solenoid Control Circuit Low Voltage

Quick Answer

The P0458 diagnostic trouble code (DTC) for Land Rover vehicles indicates a problem with the evaporative emission purge solenoid control circuit having low voltage. Common causes include Faulty evaporative emission purge solenoid, Corroded or damaged wiring in the control circuit, Failed engine control module. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P0458 Land Rover indicates Evaporative Emission Purge Solenoid Control Circuit Low Voltage.
Common causes
Common causes include Faulty evaporative emission purge solenoid, Corroded or damaged wiring in the control circuit, Failed engine control module.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Table of contents Created and updated by William Orellana on Aug 18, 2024
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Code P0458 Land Rover Description

The P0458 diagnostic trouble code (DTC) for Land Rover vehicles indicates a problem with the evaporative emission purge solenoid control circuit having low voltage. The evaporative emission control system is designed to prevent harmful fuel vapors from escaping into the atmosphere. The purge solenoid is responsible for controlling the flow of fuel vapor from the charcoal canister to the engine intake for combustion. When the voltage in the control circuit is detected to be low, it can disrupt the proper functioning of the system.

OBDII Code P0458 Land Rover - Evaporative Emission Purge Solenoid Control Circuit Low Voltage
P0458 Land Rover Code - Evaporative Emission Purge Solenoid Control Circuit Low Voltage

Common Causes of P0458 Land Rover

  1. Faulty evaporative emission purge solenoid
  2. Corroded or damaged wiring in the control circuit
  3. Failed engine control module
  4. Vacuum leaks in the evaporative emission system
  5. Loose or damaged gas cap

Symptoms of P0458 Land Rover

  1. Check Engine Light is illuminated on the dashboard
  2. Reduced fuel efficiency
  3. Rough idling or stalling
  4. Strong fuel odor
  5. Failure to pass emissions test

How to Fix P0458 Land Rover

  1. Diagnose the issue using a scan tool to verify the P0458 code and pinpoint the exact cause of the problem.
  2. Inspect the wiring and connections in the evaporative emission control circuit for any damage or corrosion.
  3. Test the evaporative emission purge solenoid for proper operation and replace it if necessary.
  4. Check the engine control module for any faults and replace if needed.
  5. Clear the code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0458 Land Rover

The cost of repairing a P0458 code on a Land Rover can vary depending on the specific cause of the issue. Generally, the cost of parts for a new evaporative emission purge solenoid can range from $50 to $150. Labor costs can add an additional $100 to $200, depending on the shop's hourly rate and the time required for diagnosis and repair. Overall, the total cost of resolving this issue can range from $150 to $350. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on your vehicle's make, model, and location.

When is the Code Detected?

The Engine Control Module (ECM) has detected a low voltage on the canister purge solenoid with the driver commanded off

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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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