P2674 Code - Injection Pump Fuel Calibration Not Learned
Quick Answer
The Powertrain Control Module (PCM) monitors the Injection Pump Timing. Common causes include Faulty Injection Pump, Injection Pump harness is open or shorted, Injection Pump circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P2674 indicates Injection Pump Fuel Calibration Not Learned.
- Common causes
- Common causes include Faulty Injection Pump, Injection Pump harness is open or shorted, Injection Pump circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P2674 Description
What are the Possible Causes of the DTC P2674?
- Faulty Injection Pump
- Injection Pump harness is open or shorted
- Injection Pump circuit poor electrical connection
How to Fix the DTC P2674?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P2674 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P2674 Code
1. What does OBDII code P2674 mean?
P2674 indicates that the vehicle's injection pump fuel calibration has not been learned or completed, which can affect engine performance.
2. What are the common symptoms of code P2674?
Symptoms include poor engine performance, reduced fuel efficiency, difficulty starting the engine, and possible illumination of the check engine light.
3. What causes code P2674 to appear?
Common causes include incorrect injection pump installation, a failed calibration process, faulty fuel injection pump, or wiring/connectivity issues related to the fuel system.
4. Can driving with code P2674 cause damage?
Yes, prolonged driving with this code may lead to further engine issues, reduced efficiency, or excessive wear on fuel system components.
5. How can I fix code P2674?
Repairs may involve recalibrating the injection pump using a diagnostic scanner, inspecting wiring and connectors, or replacing the injection pump if defective.
6. Do I need special tools to fix code P2674?
Yes, recalibrating the injection pump typically requires an advanced OBDII diagnostic scanner or manufacturer-specific tools.
7. Can code P2674 be caused by software issues?
Yes, outdated or corrupted engine control module (ECM) software can prevent proper calibration of the fuel injection pump.
8. What should I check first when diagnosing code P2674?
Start by inspecting the injection pump installation, wiring harness, connectors, and verifying the calibration process using a diagnostic tool.
9. How much does it cost to repair code P2674?
Costs vary depending on the cause, but recalibration typically costs less than replacing the injection pump, which can range from $500 to $1,500 including labor.
10. Can a dirty fuel system trigger code P2674?
Yes, contamination or debris in the fuel system can interfere with the injection pump's calibration and proper operation.
Discuss the causes and fixes for P2674 OBDII Code
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