P3428
Cylinder 4 Deactivation/Intake Valve Control Circuit High
P3428 is an OBD-II diagnostic trouble code meaning: Cylinder 4 Deactivation/Intake Valve Control Circuit High. Common causes: malfunction of the cylinder deactivation solenoid valve, open or short circuit in control circuit. Estimated repair cost: $17–89.
Symptoms
- Unstable engine operation
- Power reduction
- Increased fuel consumption
- Check Engine Light Illuminates
- Engine vibration
Causes
- Malfunction of the cylinder deactivation solenoid valve
- Open or short circuit in control circuit
- Wiring Harness Problems
- Engine control unit malfunction
- Mechanical problems with the valve mechanism
How to Fix
- Check the condition of the solenoid valve of cylinder 4
- Check the integrity of wiring and connections
- Test control circuit resistance
- Check the operation of the engine control unit
- If necessary, replace faulty components
Related codes
Error P3428 by Vehicle Brand
FAQ
What does the P3428 code mean?
P3428 is an OBD-II diagnostic trouble code that indicates: Cylinder 4 Deactivation/Intake Valve Control Circuit High
What causes a P3428 error code?
The most common causes of P3428 include: Malfunction of the cylinder deactivation solenoid valve; Open or short circuit in control circuit; Wiring Harness Problems; Engine control unit malfunction.
How do I fix a P3428 diagnostic trouble code?
To fix P3428: Check the condition of the solenoid valve of cylinder 4. Check the integrity of wiring and connections. Test control circuit resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3428?
Yes, but get it checked soon
How much does it cost to fix P3428?
The estimated repair cost for P3428 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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