OBD Guide

P2673

Injection Pump Timing Calibration Not Learned

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Unstable engine operation
  • Reduced engine power
  • Increased fuel consumption
  • Difficulty starting the engine
  • Check Engine Light Is On

Causes

  • Fuel injection pump malfunction
  • Problems in the electrical injection pump control circuit
  • Mechanical damage to fuel injection pump
  • ECU software failures
  • Low fuel pressure

How to Fix

  1. Check the electrical circuit of the fuel injection pump for opens and short circuits
  2. Check the performance of the injection pump
  3. Perform the injection pump calibration procedure using diagnostic equipment
  4. Update ECU firmware if necessary
  5. Check the fuel pressure in the system

Related codes

Error P2673 by Vehicle Brand