P0093 Urgente

Fuel System Leak Detected - Large Leak

Powertrain · Control de mezcla aire-combustible y emisiones auxiliares

No conducir — requiere atención inmediata

Descripción

This code indicates that the car's computer has detected a significant leak in the fuel system. This means fuel is escaping somewhere between the fuel tank and the engine.

Causas comunes

  • Leaking fuel injector
  • Faulty fuel pump
  • Damaged fuel line or hose
  • Leaking fuel pressure regulator
  • Loose or damaged fuel cap

Síntomas

  • Strong smell of gasoline
  • Reduced engine power
  • Check Engine Light is on
  • Engine may stall or not start

Pasos de reparación

  1. 1 Check the fuel cap for damage, cracks, or a loose fit and tighten or replace it if necessary.
  2. 2 Inspect all visible fuel lines and hoses under the hood and along the undercarriage for cracks, wet spots, or signs of fuel leakage.
  3. 3 Check the fuel rail and fuel injector connections for visible leaks, wet spots, or a strong fuel smell.
  4. 4 Inspect the fuel pressure regulator for signs of leaking fuel, such as fuel residue or a wet diaphragm vacuum line.
  5. 5 Test the fuel pump pressure using a fuel pressure gauge to verify it is within manufacturer specifications.
  6. 6 Replace any damaged or deteriorated fuel lines or hoses that show signs of leaking.
  7. 7 Replace the faulty fuel injector(s) if they are found to be leaking externally or not sealing properly.
  8. 8 Replace the fuel pump if fuel pressure testing confirms it is not maintaining proper pressure or is leaking.

Diagnóstico y costo

Avanzado
$150 – $800 USD Estimado en taller independiente (EE.UU.)

¿Tienes otro código?