P1519 Intake Manifold Runner Control Fault - Stuck Closed
What does P1519 mean on a Ford?
P1519 — Intake Manifold Runner Control Fault - Stuck Closed. This Ford-enhanced code applies to Mustang, Taurus SHO, Escape, Focus with IMRC.
Common causes of P1519
- Carbon-seized runner flaps in the closed position
- Failed IMRC actuator unable to pull the runners open
- Broken cable or linkage
- Faulty position sensor reporting closed
- Lost vacuum supply on vacuum-type systems
How to fix P1519
- Verify actual flap position against the sensor reading
- Inspect cables and linkage for breakage
- Clean carbon from the runner plates
- Check vacuum supply where applicable
- Replace the actuator or free the runners and confirm full travel