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2019 FORD F-150
5.0L V8 Coyote•RWD•AUTOMATIC•gas
9 active safety recalls on this vehicle — view recalls
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Repairs420Labor1001Torque8720Fluid18DTC2312Battery2Maintenance0Recalls9
P3031high severityPowertrain

Electric Turbocharger/E-Compressor Motor Fault

on 2019 Ford F-150 5.0L V8 Coyote · RWD

What this code means

The electric turbocharger or electric compressor motor has an electrical fault. E-turbos eliminate turbo lag by using an electric motor to spool the compressor.

Symptoms

  • Check Engine Light
  • Turbo lag returns (no electric assist)
  • Reduced low-RPM torque
  • 48V system warning may accompany
  • E-compressor noise absent
  • Slower throttle response

Common causes

  • E-compressor motor winding failure
  • Inverter circuit fault
  • 48V power supply insufficient
  • Motor bearing failure
  • Overtemperature shutdown

Diagnostic steps

  1. Read e-compressor fault codes
  2. Check 48V supply to e-compressor
  3. Test motor phase resistance
  4. Monitor motor temperature
  5. Command e-compressor operation via scan tool

Repair notes

Replace e-compressor motor or inverter assembly. Check 48V system health. These are typically found on 48V mild hybrid systems.

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