P3454

Cylinder 7 Exhaust Valve Control Circuit Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Unstable engine operation
Misfire in cylinder 7
Increased fuel consumption
Check Engine Light Illuminates
Reduced engine power

Causes

Open or short circuit in control circuit
VVT solenoid valve malfunction
Mechanical failure of the exhaust valve
Wiring Harness Problems
Engine control unit malfunction

How to Fix

Check the integrity of the control circuit
Check the resistance of the solenoid valve
Inspect the wiring harness for damage
Check the mechanical condition of the valve and its actuator
If necessary, replace faulty components

Related codes

P3451 P3452 P3453