OBD Guide

P2673

Injection Pump Timing Calibration Not Learned

P2673 is an OBD-II diagnostic trouble code meaning: Injection Pump Timing Calibration Not Learned. Common causes: fuel injection pump malfunction, problems in the electrical injection pump control circuit. Estimated repair cost: $56–222.

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

FAQ

What does the P2673 code mean?

P2673 is an OBD-II diagnostic trouble code that indicates: Injection Pump Timing Calibration Not Learned

What causes a P2673 error code?

The most common causes of P2673 include: Fuel injection pump malfunction; Problems in the electrical injection pump control circuit; Mechanical damage to fuel injection pump; ECU software failures.

How do I fix a P2673 diagnostic trouble code?

To fix P2673: Check the electrical circuit of the fuel injection pump for opens and short circuits. Check the performance of the injection pump. Perform the injection pump calibration procedure using diagnostic equipment. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2673?

Yes, but get it checked soon

How much does it cost to fix P2673?

The estimated repair cost for P2673 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat