OBD Guide

P2698

Exhaust Aftertreatment Fuel Injector A Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Increase in harmful emissions
  • Check Engine light comes on
  • Reduced efficiency of the exhaust gas cleaning system
  • Possible problems with vehicle dynamics

Causes

  • Clogged exhaust gas cleaning system injector
  • Open or short circuit in the injector electrical circuit
  • Engine control unit malfunction
  • Problems with the fuel system

How to Fix

  1. Check the electrical connections of the injector
  2. Clean or replace the exhaust gas treatment system injector
  3. Check the operation of the engine control unit
  4. Diagnose the fuel system

Related codes

Error P2698 by Vehicle Brand