P3407

Cylinder 1 Exhaust Valve Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Unstable engine operation
Power Loss
Increased fuel consumption
Check Engine Light Is On
Possible misfires

Causes

Open or short circuit in control circuit
Solenoid valve malfunction
Wiring Harness Problems
Engine control unit malfunction
Poor contact in connectors

How to Fix

Check the integrity of the control circuit
Check the resistance of the solenoid valve
Inspect the wiring harness for damage
Check contacts in connectors
If necessary, replace the faulty valve

Related codes

P3400 P3401 P3408