P029A Atención pronto

Cylinder 1 - Fuel Trim at Max Limit

Powertrain

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Descripción

This code means the engine's computer is trying to add as much fuel as possible to cylinder 1 to achieve the correct air-fuel mixture, but it's still not enough. This often points to a lack of fuel delivery or too much air entering the engine.

Causas comunes

  • Clogged fuel injector for cylinder 1
  • Low fuel pressure
  • Vacuum leak near cylinder 1
  • Faulty oxygen sensor
  • Mass Air Flow (MAF) sensor issue

Síntomas

  • Poor fuel economy
  • Rough idle
  • Hesitation during acceleration
  • Check Engine light illuminated

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