Fault codes › P0093

P0093

Fuel System Leak Detected Large Leak

Generic code Fuel and Air Metering High severity Hard repair
Free on OBD DashX

Want real-world data on P0093?

See which problems come with P0093, how often it shows up in other vehicles, and how to fix it — step by step.

  • Real-world fix data
  • How often it happens
  • Step-by-step repairs
See P0093 on OBD DashX No sign-up needed · available in 10 languages

iWhat P0093 means

  • The fault code P0093 indicates that there is a major leak detected in the fuel system. This may cause a decrease in engine performance or even prevent the engine from starting altogether.

!Possible symptoms

  • Decreased engine performance
  • Difficulty starting the engine
  • Strong fuel smell coming from the vehicle
  • Illuminated check engine light

?Possible causes

  • Faulty fuel pressure regulator
  • Damaged fuel lines or connections
  • Malfunctioning fuel injectors
  • Failed fuel pump

⚙Related parts

  • Fuel Pressure Sensor: Fuel pressure sensor monitors the fuel pressure and returns any excess fuel to the tank. Problems lead to engine misfire, poor fuel economy & poor acceleration

✓Possible solutions

  • Replace the faulty fuel pressure regulator
  • Repair or replace any damaged fuel lines or connections
  • Replace any malfunctioning fuel injectors
  • Replace a failed fuel pump
Free on OBD DashX

P0093 on OBD DashX

Real-world causes, how often this code shows up, and the fix — step by step.

Open P0093 No sign-up needed · available in 10 languages

Search fault codes

Scan your own car

Read and clear fault codes, live data and service resets with the CaRPM app.