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2017 PORSCHE 718 BOXSTER S
2.5L Turbo H4•RWD•DCT•gas•MA2.25•turbo
6 active safety recalls on this vehicle — view recalls
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Repairs0Labor476Torque1868Fluid7DTC1856Battery1Maintenance0Recalls6
P0233moderate severityPowertrain

Fuel Pump Secondary Circuit Intermittent

on 2017 Porsche 718 Boxster S 2.5L Turbo H4 · RWD

What this code means

The fuel pump secondary circuit signal is intermittent. This may cause momentary drops in fuel delivery under certain conditions.

Symptoms

  • Intermittent stalling
  • Rough running
  • Hesitation on acceleration

Common causes

  • Loose wiring connector
  • Corroded terminals
  • Faulty fuel pump relay
  • Failed PCM driver

Diagnostic steps

  1. Wiggle-test pump wiring while monitoring
  2. Inspect connectors for corrosion
  3. Measure circuit resistance
  4. Check PCM output signal
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