P0094 OBD-II: Fuel System Leak Detected - Small Leak
P0094 Severity
Should you fix P0094 yourself?
Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.
Proper diagnosis will save you time and money on unnecessary repairs.
Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.
What causes OBD-II fault code P0094?
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.
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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
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