OBD Guide

P2674

Injection Pump Fuel Calibration Not Learned

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Problems starting the engine

Causes

  • Fuel injection pump malfunction
  • Problems with fuel system sensors
  • Faulty injection pump solenoid valve
  • Failures in ECU software
  • Incorrect calibration procedure after repair

How to Fix

  1. Check the condition of the injection pump and its components
  2. Check the operation of the fuel system sensors
  3. Check the wiring harness to the injection pump
  4. Perform the injection pump calibration procedure using diagnostic equipment
  5. If necessary, replace faulty components

Related codes

Error P2674 by Vehicle Brand