P1276 Port Injector Circuit Number 1
What does P1276 mean on a Toyota?
P1276 — Port Injector Circuit Number 1. This Toyota-enhanced code applies to Toyota models with D-4S port injection.
Common causes of P1276
- Open number 1 port injector circuit
- Failed port injector 1
- Corroded injector connector
- Damaged injector harness
- ECM driver fault
How to fix P1276
- Test injector 1 resistance
- Check circuit continuity
- Verify injector pulse with a noid light
- Inspect the connector
- Replace the injector after circuit proof