P2674 Fault Code
P2674 OBD-II Trouble Code Short Description
Injection Pump Fuel Calibration Not Learned
What does trouble code P2674 mean?
The P2674 fault code indicates that the injection pump's fuel calibration has not been properly learned by the engine control unit (ECU). This may occur after replacing the injection pump or during reprogramming processes. Ensuring the ECU recognizes the correct calibration is vital for optimal engine performance.
Symptoms
What are the symptoms of the P2674 code?
- Poor engine performance
- Increased fuel consumption
- Engine misfires or hesitation during acceleration
- Check Engine Light (CEL) illuminated on the dashboard
Causes
What causes the P2674 code?
- An injector pump replacement or reset without programming
- Incorrect wiring or electrical connections to the pump
- Faulty sensors that provide data to the ECU
- Software issues within the ECU or outdated firmware
Possible Solutions
How to fix P2674?
- Perform a proper calibration of the injection pump using manufacturer-specific diagnostic tools.
- Check and repair any faulty or loose wiring connected to the injection system.
- Replace any defective sensors that may affect the calibration process.
- Update or re-flash the ECU software to the latest version if necessary.