What does code P2674 mean?

Q: What does code P2674 mean?

Injection Pump Fuel Calibration Not Learned. P2674 indicates that the engine control module (ECM) has not successfully completed the fuel calibration learning process for the injection pump. This means the ECM cannot confirm the precise fuel delivery characteristics of the pump, which is essential for optimal combustion control and emissions compliance.

DTC codes / P26xx · Computer and output circuits / P2674

P2674Injection Pump Fuel Calibration Not Learned

P2674 indicates that the engine control module (ECM) has not successfully completed the fuel calibration learning process for the injection pump. This means the ECM cannot confirm the precise fuel delivery characteristics of the pump, which is essential for optimal combustion control and emissions compliance.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyProfessional

AreaComputer and output circuits

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.