P2674 Possible Causes
- Faulty injection pump
- Injection pump wiring harness is open or short-circuited
- Poor electrical connection in the injection pump circuit
How to Fix Code P2674
Check the “Possible Causes” listed above. Visually inspect the wiring harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Check engine light on (or service engine soon warning light)
P2674 Meaning
The Powertrain Control Module (PCM) monitors the injection pump timing. The PCM sets the OBDII code when the injection pump timing is outside factory specifications.