P3422
Cylinder 3 Exhaust Valve Control Circuit Performance
P3422 is an OBD-II diagnostic trouble code meaning: Cylinder 3 Exhaust Valve Control Circuit Performance. Common causes: control solenoid valve malfunction, open or short circuit in wiring harness. Estimated repair cost: $17–89.
Symptoms
- Unstable engine operation
- Power Loss
- Increased fuel consumption
- Check Engine Light Illuminates
- Dips during acceleration
Causes
- Control solenoid valve malfunction
- Open or short circuit in wiring harness
- Mechanical failure of the exhaust valve
- Problems with the engine control unit
- Valve dirty or stuck
How to Fix
- Check the condition of the control solenoid valve
- Test the control circuit for opens and short circuits
- Inspect the mechanical condition of the exhaust valve
- Check VVT system operation (if applicable)
- Scan the control unit for additional errors
Related codes
Error P3422 by Vehicle Brand
FAQ
What does the P3422 code mean?
P3422 is an OBD-II diagnostic trouble code that indicates: Cylinder 3 Exhaust Valve Control Circuit Performance
What causes a P3422 error code?
The most common causes of P3422 include: Control solenoid valve malfunction; Open or short circuit in wiring harness; Mechanical failure of the exhaust valve; Problems with the engine control unit.
How do I fix a P3422 diagnostic trouble code?
To fix P3422: Check the condition of the control solenoid valve. Test the control circuit for opens and short circuits. Inspect the mechanical condition of the exhaust valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3422?
Yes, but get it checked soon
How much does it cost to fix P3422?
The estimated repair cost for P3422 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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