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Diagnose/P0093
P0093Critical SeverityFuel System

Fuel System Leak Detected (Large Leak)

What This Means

A large fuel system leak has been detected. The fuel pressure is dropping rapidly, indicating a significant fuel leak that poses both a performance and safety concern.

Common Symptoms

  • Strong fuel smell
  • Fuel puddle under vehicle
  • Engine stalling
  • Fire hazard warning

Common Causes

  • Cracked or loose fuel line
  • Failed fuel injector seal
  • Damaged fuel rail
  • Fuel pump seal failure
  • Fuel line connection failure

Estimated Repair Cost

$200 – $1000
Parts and labor (varies by vehicle and location)
Difficulty:Advanced

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.