OBD Guide

P2B16

Cylinder 4 Injection Pulse Offset Not Learned

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Rough engine idling
  • Increased fuel consumption
  • Reduced engine power
  • Possible misfire in cylinder 4
  • Check Engine light comes on

Causes

  • Malfunction of the fuel injector of cylinder 4
  • Problems with the injector electrical circuit
  • Fuel system contamination
  • Engine ECU malfunction
  • The need to adapt injection parameters

How to Fix

  1. Check the condition and functionality of the injector of cylinder 4
  2. Check the integrity of the injector electrical circuit
  3. Clean the fuel system
  4. Try to perform the injection parameters learning procedure
  5. If necessary, replace the injector or ECU

Related codes

Error P2B16 by Vehicle Brand