P0089Medium urgency
Fuel Pressure Regulator Performance
Fuel System · Fuel Pressure
⚠️ Drive with caution — fuel delivery may be unreliable.
What this means
The fuel pressure regulator is not maintaining consistent fuel pressure. This causes erratic fuel delivery, rough idle, and hesitation.
Likely causes
- Failed fuel pressure regulatorMost common
- Weak fuel pumpCommon
- Clogged fuel filterCommon
Estimated repair cost
Fuel pressure regulator$100 – $400
Fuel pump replacement$300 – $900
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Frequently asked questions
What does P0089 mean?
The fuel pressure regulator is not maintaining consistent fuel pressure. This causes erratic fuel delivery, rough idle, and hesitation.
Is P0089 serious?
Drive with caution — fuel delivery may be unreliable.
How much does it cost to fix P0089?
Repair costs for P0089 range from $100 – $400 depending on the root cause and your vehicle.
Can I drive with P0089?
You can drive short distances but should have it repaired within 1-2 weeks to prevent further damage.