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2020 FORD F-150
3.5L V6 EcoBoost•RWD•AUTOMATIC•gas•turbo
11 active safety recalls on this vehicle — view recalls
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Repairs418Labor1009Torque7006Fluid18DTC3214Battery2Maintenance0Recalls11
P0270high severityPowertrain

Cylinder 4 Injection Circuit Low

on 2020 Ford F-150 3.5L V6 EcoBoost · RWD

What this code means

The PCM detects a low voltage condition in the cylinder 4 injector control circuit. This can cause a misfire or poor performance on that cylinder.

Symptoms

  • Cylinder misfire
  • Rough running
  • Reduced power

Common causes

  • Faulty cylinder 4 injector
  • Short to ground in injector wiring
  • Corroded injector connector
  • Faulty PCM injector driver

Diagnostic steps

  1. Scan for injector circuit codes
  2. Inspect cylinder 4 injector connector
  3. Test injector resistance and wiring
  4. Replace injector or repair circuit
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