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2015 FORD F-150
3.5L V6 EcoBoost•RWD•AUTOMATIC•gas•turbo
14 active safety recalls on this vehicle — view recalls
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Repairs418Labor1009Torque7006Fluid18DTC3794Battery2Maintenance0Recalls14
P0281moderate severityPowertrain

Cylinder 6 Injector Circuit High

on 2015 Ford F-150 3.5L V6 EcoBoost · RWD

What this code means

The PCM detected a high voltage condition in the fuel injector control circuit for cylinder 6. This often points to a short to voltage or a driver fault.

Symptoms

  • Engine misfire
  • Hesitation under load
  • Increased emissions

Common causes

  • Short to voltage in injector wiring
  • Faulty fuel injector
  • Damaged connector
  • Failed PCM injector driver

Diagnostic steps

  1. Retrieve stored trouble codes
  2. Inspect injector harness for shorts
  3. Check injector resistance and connector
  4. Verify PCM driver output
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