OBD-II code · Powertrain (generic, extended)
P2673 Injection Pump Timing Calibration Not Learned
The injection pump timing learning routine did not complete successfully. Without learned values, injection timing runs from default tables and combustion is suboptimal.
Is it safe to drive with P2673?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyLearning routine aborted by other DTC or unstable conditions
- PossibleTiming actuator drift outside learning window
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1.5–5 h
- Emissions test
- Usually unaffected
- Parts involved
- Injection Pump, Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.