OBD Guide

P2699

Exhaust Aftertreatment Fuel Injector A Circuit Low

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

Symptoms

  • Check Engine light comes on
  • Possible increase in fuel consumption
  • Reduced engine power
  • Problems with the exhaust gas cleaning system
  • Possible smell of unburned fuel

Causes

  • Malfunction of the exhaust cleaning system injector
  • Open or short circuit in control circuit
  • Problems with wiring harness or contacts
  • Engine control unit malfunction
  • Poor connection or corroded contacts

How to Fix

  1. Check the integrity of the injector circuit
  2. Measure the injector resistance
  3. Check the voltage at the injector connector
  4. Inspect the wiring harness for damage
  5. If necessary, replace the exhaust cleaning system injector

Related codes

Error P2699 by Vehicle Brand