Fuel Pressure Regulator Performance
Table of contents
P0089 MAZDA Possible Causes
- Faulty fuel pressure regulator
- Fuel pressure regulator harness is open or shorted
- Fuel pressure regulator electrical circuit poor connection
- Faulty fuel pressure sensor
How do I fix code P0089 MAZDA?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P0089 MAZDA code
The cost of diagnosing the P0089 MAZDA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0089 MAZDA Description
The Engine Control Module (ECM) uses commanded fuel pump flow to determine a desired fuel rail pressure. The actual fuel pressure is monitored using the Fuel Rail Pressure (FRP) Sensor.