P3425
Cylinder 4 Deactivation/Intake Valve Control Circuit/Open
P3425 is an OBD-II diagnostic trouble code meaning: Cylinder 4 Deactivation/Intake Valve Control Circuit/Open. Common causes: open or short circuit in wiring harness, malfunction of the cylinder deactivation solenoid valve. Estimated repair cost: $17–89.
Symptoms
- Unstable engine operation at idle
- Increased fuel consumption
- Loss of engine power
- Check Engine Light Illuminates
- Engine vibration
Causes
- Open or short circuit in wiring harness
- Malfunction of the cylinder deactivation solenoid valve
- Problems with the engine control unit
- Poor contact in connectors
- Mechanical malfunction of the timing system
How to Fix
- Check the integrity of the wiring harness and connectors
- Test solenoid valve resistance
- Check the power and ground of the control circuit
- Scan the control unit for other errors
- Replace solenoid valve or wiring harness if necessary
Related codes
Error P3425 by Vehicle Brand
FAQ
What does the P3425 code mean?
P3425 is an OBD-II diagnostic trouble code that indicates: Cylinder 4 Deactivation/Intake Valve Control Circuit/Open
What causes a P3425 error code?
The most common causes of P3425 include: Open or short circuit in wiring harness; Malfunction of the cylinder deactivation solenoid valve; Problems with the engine control unit; Poor contact in connectors.
How do I fix a P3425 diagnostic trouble code?
To fix P3425: Check the integrity of the wiring harness and connectors. Test solenoid valve resistance. Check the power and ground of the control circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3425?
Yes, but get it checked soon
How much does it cost to fix P3425?
The estimated repair cost for P3425 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat