OBD Guide

P3419

Cylinder 3 Deactivation/Intake Valve Control Circuit Low

P3419 is an OBD-II diagnostic trouble code meaning: Cylinder 3 Deactivation/Intake Valve Control Circuit Low. Common causes: open or short circuit in control circuit, malfunction of the cylinder deactivation solenoid valve. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine light comes on
  • Increased fuel consumption
  • Uneven engine operation
  • Disabling the cylinder deactivation system
  • Possible misfire in cylinder 3

Causes

  • Open or short circuit in control circuit
  • Malfunction of the cylinder deactivation solenoid valve
  • Problems with the wiring harness or connectors
  • Malfunction of the engine control unit (rare)
  • Corrosion of contacts in the control circuit

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Check the resistance of the solenoid valve
  3. Check control circuit voltage
  4. If necessary, replace the solenoid valve
  5. Reset the error code and check if it returns

Related codes

Error P3419 by Vehicle Brand

FAQ

What does the P3419 code mean?

P3419 is an OBD-II diagnostic trouble code that indicates: Cylinder 3 Deactivation/Intake Valve Control Circuit Low

What causes a P3419 error code?

The most common causes of P3419 include: Open or short circuit in control circuit; Malfunction of the cylinder deactivation solenoid valve; Problems with the wiring harness or connectors; Malfunction of the engine control unit (rare).

How do I fix a P3419 diagnostic trouble code?

To fix P3419: Check the integrity of the wiring harness and connectors. Check the resistance of the solenoid valve. Check control circuit voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P3419?

Yes, but get it checked soon

How much does it cost to fix P3419?

The estimated repair cost for P3419 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat