P3423
Cylinder 3 Exhaust Valve Control Circuit Low
P3423 is an OBD-II diagnostic trouble code meaning: Cylinder 3 Exhaust Valve Control Circuit Low. Common causes: open or short circuit in control circuit, vvt solenoid valve malfunction. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- Unstable engine idling
- Reduced engine power
- Increased fuel consumption
- Dips during acceleration
Causes
- Open or short circuit in control circuit
- VVT solenoid valve malfunction
- Poor contact in circuit connectors
- Engine control unit malfunction
- VVT System Mechanical Problems
How to Fix
- Check the integrity of the control circuit
- Check the resistance of the solenoid valve
- Inspect connectors and contacts for oxidation
- Check the operation of the VVT system
- If necessary, replace faulty components
Related codes
Error P3423 by Vehicle Brand
FAQ
What does the P3423 code mean?
P3423 is an OBD-II diagnostic trouble code that indicates: Cylinder 3 Exhaust Valve Control Circuit Low
What causes a P3423 error code?
The most common causes of P3423 include: Open or short circuit in control circuit; VVT solenoid valve malfunction; Poor contact in circuit connectors; Engine control unit malfunction.
How do I fix a P3423 diagnostic trouble code?
To fix P3423: Check the integrity of the control circuit. Check the resistance of the solenoid valve. Inspect connectors and contacts for oxidation. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3423?
Yes, but get it checked soon
How much does it cost to fix P3423?
The estimated repair cost for P3423 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat