P2674 — Injection Pump Fuel Calibration Not Learned

What Does P2674 Mean?

P2674 is a diagnostic trouble code indicating: Injection Pump Fuel Calibration Not Learned. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P2674

⚠️ Check Engine Light (MIL) illuminated
⚠️ Injection Pump Fuel Calibration Not Learned not functioning as expected
⚠️ Related system may be in fail-safe mode
⚠️ Reduced engine performance

Common Causes

🔍 Faulty Injection Pump Fuel Calibration Not Learned
🔍 Wiring or connector issue in Injection Pump Fuel Calibration Not Learned circuit
🔍 Related mechanical or electrical fault
🔍 ECM/PCM issue (rare)

Frequently Asked Questions

What does P2674 mean?

P2674 indicates: Injection Pump Fuel Calibration Not Learned. The vehicle's computer has detected that the Injection Pump Fuel Calibration Not Learned is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P2674?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P2674 for extended periods may cause additional problems.

How much does it cost to fix P2674?

Repair costs for P2674 typically range from $80 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect Injection Pump Fuel Calibration Not Learned and related wiring
🔧 Replace faulty Injection Pump Fuel Calibration Not Learned

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P2674: Injection Pump Fuel Calibration Not Learned