OBD Guide

P3455

Cylinder 7 Exhaust Valve Control Circuit Low

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Misfire in cylinder 7

Causes

  • Open or short circuit in control circuit
  • Solenoid valve malfunction
  • Wiring Harness Problems
  • Engine control unit malfunction
  • Contact corrosion

How to Fix

  1. Check the integrity of the control circuit
  2. Check the resistance of the solenoid valve
  3. Inspect the wiring harness for damage
  4. Check contacts for corrosion
  5. If necessary, replace faulty components

Related codes

Error P3455 by Vehicle Brand