P3424

Cylinder 3 Exhaust Valve Control Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–78 (est.)

Symptoms

Loss of engine power
Unstable idling
Increased fuel consumption
Check Engine Light Illuminates
Possible misfire in cylinder 3

Causes

Open or short circuit in wiring harness
Faulty VVT solenoid valve
Poor electrical contact in connectors
Mechanical malfunction of the timing system
Problems with the engine control unit

How to Fix

Check the integrity of wiring and connections in the control circuit
Test VVT solenoid valve resistance
Check the power and ground of the control circuit
Inspect the mechanical components of the VVT system
If necessary, replace the solenoid valve or repair the wiring

Related codes

P3421 P3422 P3423