OBD Guide

P3470

Cylinder 9 Exhaust Valve Control Circuit Performance

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

  • VVT solenoid valve malfunction
  • Open or short circuit in wiring harness
  • Poor contact in connectors
  • Engine control unit malfunction
  • Mechanical problems in the timing system

How to Fix

  1. Check the condition of the solenoid valve
  2. Check the integrity of wiring and contacts
  3. Test circuit resistance
  4. Check the operation of the VVT system
  5. If necessary, replace faulty components

Related codes

Error P3470 by Vehicle Brand