Back to 2024 Ford Ranger

2024 FORD RANGER

2.7L V6 EcoBoost4WDAUTOMATICgasturbo
12 active safety recalls on this vehicle — view recalls
Repairs0Labor597Torque3834Fluid9DTC968Battery1Maintenance0Recalls12
P1537low severityPowertrain

Intake Manifold Runner Control Stuck Open (Bank 1)

on 2024 Ford Ranger 2.7L V6 EcoBoost · 4WD

What this code means

The IMRC for Bank 1 is stuck in the open position. This affects low-RPM torque and fuel economy as the manifold runners are optimized for high-RPM airflow.

Symptoms

  • Check Engine Light
  • Reduced low-RPM torque
  • Poor fuel economy
  • Slightly rough idle

Common causes

  • Stuck IMRC actuator Bank 1
  • Broken actuator rod or linkage
  • Vacuum leak to actuator
  • Failed IMRC solenoid

Diagnostic steps

  1. Inspect IMRC actuator Bank 1
  2. Check linkage and actuator rods
  3. Test vacuum supply
  4. Test IMRC solenoid operation

Repair notes

Replace IMRC actuator if stuck. Repair linkage. Fix vacuum supply.

Other Powertrain codes on this vehicle

Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →