P3453

Cylinder 7 Exhaust Valve Control Circuit/Open

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Unstable engine operation at idle
Dips during acceleration

Causes

Open or short circuit in wiring harness
Solenoid valve malfunction
Connector problems
Mechanical failure of the exhaust valve
Engine control unit malfunction

How to Fix

Check the integrity of the wiring harness
Test solenoid valve resistance
Inspect connectors for oxidation
Check the mechanical condition of the exhaust valve
If necessary, replace faulty components

Related codes

P3450 P3451 P3452