P0094 - OBD II Trouble Code

January 31, 2017

Our automotive experts have put together the following information about the P0094 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0094 code.

OBD II Fault Code

  • OBD II P0094

OBD-II Code Decreased engine performance is defined as a Fuel System Leak Detected - Small Leak

The engine control module (PCM) uses multiple sensors to ensure that fuel pressure remains constant within the fuel system. If one of the sensors detects a drop in fuel pressure, the PCM will set code P0094.

Decreased engine performance Symptoms

  • Decreased engine performance
  • Engine may stall
  • Increased fuel consumption

Common Problems That Trigger the P0094 Code

  • Fuel injector failure
  • Fuel pressure regulator failure
  • Leaking fuel lines
  • Powertrain Control Module (PCM) failure
  • Wiring issue

Common Repairs Needed for the P0094 Code

About the Author

Brad Kava is an automotive expert at RepairPal, the leading online source of auto repair resources and estimates. With many ASE Master certified mechanics on staff who have decades of experience, RepairPal knows all the fine points of car repair.

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