Fuel Pressure Regulator Circuit Low
The P2364 code means the vehicle's onboard diagnostic system has detected: Fuel Pressure Regulator Circuit Low. This is a serious severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $200 - $600 (parts and labor)
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What Are the Symptoms of P2364?
- Check Engine Light on
- Hard starting or extended cranking
- Engine stalling especially at idle
- Poor acceleration and hesitation
- Strong fuel odor in some cases
What Causes P2364? (Most Likely First)
- Faulty fuel pressure regulator/sensor Very High
- Short to ground in regulator/sensor wiring High
- Low fuel pressure from weak fuel pump Moderate
- Corroded connector pins Low
Can I Still Drive with P2364?
Short distances only. P2364 is rated serious severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
What does P2364 mean?
P2364 indicates a fuel pressure regulation issue: Fuel Pressure Regulator Circuit Low. The fuel system is not maintaining proper pressure for efficient combustion.
Can I drive with P2364?
Drive only short distances. Improper fuel pressure can cause stalling, hard starts, and potential engine damage. Get it diagnosed promptly.
How much does it cost to fix P2364?
Expect $200 to $600 depending on whether the regulator, sensor, or fuel pump needs replacement.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose P2364?
-
Retrieve P2364 and review freeze frame data
-
Measure actual fuel pressure with a mechanical gauge and compare to spec
-
Inspect fuel pressure regulator/sensor wiring and connector
-
Test fuel pressure regulator/sensor signal with a multimeter or scan tool
Sources 1
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
Which Vehicles Commonly Get P2364?
- 2008-2016 Hyundai Sonata 2.0L Turbo I4
- 2010-2020 Ford F-150 5.0L V8
- 2011-2019 Ford F-150 3.5L EcoBoost V6
- 2013-2021 Chevrolet Silverado 1500 5.3L V8
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