P3437

Cylinder 5 Exhaust Valve Control Circuit/Open

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Unstable engine idling
Possible misfire in cylinder 5

Causes

Open or short circuit in wiring harness
VVT solenoid valve malfunction
Poor contact in control circuit connectors
Problems with the engine control unit
Mechanical damage to the control circuit

How to Fix

Check the integrity of the wiring harness to the valve of the 5th cylinder
Check the resistance and operation of the solenoid valve
Inspect and clean electrical contacts
Check control signals from the computer
If necessary, replace the faulty valve or repair the wiring

Related codes

P3435 P3436 P3438