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2015 FORD F-150
5.0L V8 Coyote•RWD•AUTOMATIC•gas
14 active safety recalls on this vehicle — view recalls
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Repairs420Labor1001Torque8720Fluid18DTC3190Battery2Maintenance0Recalls14
P0391moderate severityPowertrain

Camshaft Position Sensor B Circuit Range/Performance (Bank 2)

on 2015 Ford F-150 5.0L V8 Coyote · RWD

What this code means

The Bank 2 camshaft position sensor B signal is out of the expected range or performance window. Timing correlation may be off, affecting drivability.

Symptoms

  • Rough idle
  • Reduced power
  • Illuminated MIL

Common causes

  • Faulty camshaft position sensor
  • Damaged tone/reluctor wheel
  • Wiring resistance or corrosion
  • Cam timing out of correlation

Diagnostic steps

  1. Read freeze frame and correlation data
  2. Inspect tone wheel for damage
  3. Check wiring continuity and resistance
  4. Verify cam timing, replace sensor if needed
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