P1276 MAZDA Possible Causes
- Faulty fuel injector
- Faulty fuel injector interface module
- Fuel injector harness is open or shorted
- Poor electrical connection in fuel injector circuit
How is P1276 MAZDA code repair done?
Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine light on (or service engine soon warning light)
P1276 MAZDA Meaning
A fault is detected by the fuel injector interface module in the secondary (rear) fuel injector circuit