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P0066moderate severityPowertrain

Air Assisted Injector Control Circuit or Circuit Low

on 2017 Maserati Levante 3.0L V6 Twin Turbo · AWD

What this code means

The air assisted injector control circuit is showing low voltage or an open condition. This affects how fuel is atomized during injection.

Symptoms

  • Rough idle
  • Reduced fuel economy
  • Check engine light on

Common causes

  • Faulty injector air control valve
  • Wiring open or short to ground
  • Corroded connector
  • Failed PCM driver

Diagnostic steps

  1. Scan for related codes
  2. Inspect injector air control wiring
  3. Test circuit voltage and continuity
  4. Check PCM output signal

Other Powertrain codes on this vehicle

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