P0089 OBD-II: Fuel Pressure Regulator 1 Performance
Get diagnosis and repair information for trouble code P0089
What Does P0089 Code Mean?
OBD-II Code P0089 is defined as a Fuel Pressure Regulator 1 Performance
The Fuel Pressure Regulator allows the fuel system to release excessive fuel in the fuel rail back to the fuel tank. When the engine control module (PCM) determines that the Fuel Pressure Regulator is not performing properly, the PCM will set code P0089.
P0089 Symptoms
- Decreased engine performance
- Engine may stall
- Increased fuel consumption
Common Problems That Trigger the P0089 Code
- Fuel pressure regulator failure
- Fuel pump failure
- Leaking fuel injector
- Powertrain Control Module (PCM) failure
- Wiring issue
Common Repairs Needed for the P0089 Code
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