P3457
Cylinder 8 Deactivation/Intake Valve Control Circuit/Open
P3457 is an OBD-II diagnostic trouble code meaning: Cylinder 8 Deactivation/Intake Valve Control Circuit/Open. Common causes: break in the wiring harness, solenoid valve malfunction. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- Increased fuel consumption
- Uneven engine operation
- Reduced engine power
- Engine noise
Causes
- Break in the wiring harness
- Solenoid valve malfunction
- Poor contact in connectors
- Engine control unit malfunction
- Mechanical problems with the VVT system
How to Fix
- Check the integrity of the wiring harness
- Check the resistance of the solenoid valve
- Inspect connectors for corrosion
- Check the operation of the VVT system
- Scan the control unit for other errors
Related codes
Error P3457 by Vehicle Brand
FAQ
What does the P3457 code mean?
P3457 is an OBD-II diagnostic trouble code that indicates: Cylinder 8 Deactivation/Intake Valve Control Circuit/Open
What causes a P3457 error code?
The most common causes of P3457 include: Break in the wiring harness; Solenoid valve malfunction; Poor contact in connectors; Engine control unit malfunction.
How do I fix a P3457 diagnostic trouble code?
To fix P3457: Check the integrity of the wiring harness. Check the resistance of the solenoid valve. Inspect connectors for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3457?
Yes, but get it checked soon
How much does it cost to fix P3457?
The estimated repair cost for P3457 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat