P3458
Cylinder 8 Deactivation/Intake Valve Control Circuit Performance
P3458 is an OBD-II diagnostic trouble code meaning: Cylinder 8 Deactivation/Intake Valve Control Circuit Performance. Common causes: malfunction of the cylinder deactivation solenoid valve, open or short circuit in control circuit. Estimated repair cost: $17–56.
Symptoms
- Increased fuel consumption
- Rough engine idling
- Check Engine light comes on
- Reduced engine power
- Problems with the cylinder deactivation system
Causes
- Malfunction of the cylinder deactivation solenoid valve
- Open or short circuit in control circuit
- Problems with the engine control unit
- Mechanical problems with the intake valve system
- Poor contact in wiring connectors
How to Fix
- Check the condition of the cylinder deactivation solenoid valve
- Check the integrity of the wiring and connectors in the control circuit
- Scan the engine control module for other errors
- If necessary, replace the solenoid valve
- Check the mechanical part of the intake valve system
Related codes
Error P3458 by Vehicle Brand
FAQ
What does the P3458 code mean?
P3458 is an OBD-II diagnostic trouble code that indicates: Cylinder 8 Deactivation/Intake Valve Control Circuit Performance
What causes a P3458 error code?
The most common causes of P3458 include: Malfunction of the cylinder deactivation solenoid valve; Open or short circuit in control circuit; Problems with the engine control unit; Mechanical problems with the intake valve system.
How do I fix a P3458 diagnostic trouble code?
To fix P3458: Check the condition of the cylinder deactivation solenoid valve. Check the integrity of the wiring and connectors in the control circuit. Scan the engine control module for other errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3458?
Yes, but get it checked soon
How much does it cost to fix P3458?
The estimated repair cost for P3458 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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