P0087 on Hyundai
Fuel Rail/System Pressure - Too Low
P0087 on Hyundai vehicles indicates fuel rail/system pressure - too low. Au7o has documented this code across 3 Hyundai models — most commonly on Elantra, Tucson, Veloster. This code means the fuel rail or fuel system pressure has dropped below the level the engine's computer expects. The computer monitors a fuel pressure sensor and has seen pressure fall too low, meaning the engine isn't getting enough fuel — especially noticeable under acceleration or load. This is most common on direct-injection and diesel systems that run very high pressures. Symptoms include hard starting, stalling, hesitation, lack of power, and possible limp mode. Typical repair costs on Hyundai range from $450 to $900, depending on the specific model and root cause.
Common Causes of P0087
- •Clogged or dirty fuel filter
- •Weak or failing fuel pump (lift pump or high-pressure pump)
- •Faulty fuel pressure regulator or control valve
- •Restricted or leaking fuel lines
- •Faulty fuel pressure sensor
- •Air in the fuel system or running low on fuel
- •Worn high-pressure pump (direct injection/diesel)
P0087 on Hyundai by Model
Hyundai Elantra(1 issue)
- Elantra N Fuel Pump Failure Causing Loss of Drive Power (Recall 24V528)2022-2023
The 2022-2023 Elantra N with the 2.0L Theta III turbocharged engine was recalled because the fuel pump can fail, cutting fuel delivery and causing a loss of drive power while the car is being driven. On a 276 hp turbo car this is more than an inconvenience - a stall in traffic or at highway speed with no warning is a crash risk. The typical progression owners describe with this class of fault is a hot restart that cranks but will not fire, then intermittent stumbling and power loss under load as the pump's output falls below what the high-pressure side demands, then a hard stall. This is specific to the Elantra N's fuel system and is separate from the fuel pump module and level-sender failures seen on earlier Elantra generations.
Hyundai Tucson(1 issue)
- High Pressure Fuel Pump Failure (GDI)2011-2018
The GDI high-pressure fuel pump on 2.4L Tucson models can fail, causing extended crank times, rough idle, and stalling. The pump cam follower wears prematurely, reducing fuel rail pressure below specification. This is especially common above 80,000 miles.
Hyundai Veloster(1 issue)
- Veloster Turbo Fuel Feed Tube Restriction and High-Pressure Fuel Pump Failure Causing Low Rail Pressure (P0087), Stalling and Hesitation2012-2017
First-generation 1.6 T-GDI Velosters have two well-documented low-fuel-pressure failures that present identically. On 2013-2014 Turbos an internal restriction in the low-pressure fuel feed tube from the tank starves the high-pressure pump under load, setting P0087 (fuel rail/system pressure too low) and causing hesitation, misfire and stalling; Hyundai addressed it with Service Campaign 937 / TSB 15-01-023 (fuel tube inspection/replacement), which owners on velosterturbo.org documented having done at the dealer. Separately, the camshaft-driven high-pressure fuel pump itself wears and loses output (one owner measured 300 psi at idle against a 500 psi spec), producing the same P0087 with rough idle and stalling on both turbo and base 1.6 cars.
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View P0087 across all makes →Frequently Asked Questions
What does P0087 mean on Hyundai?▼
P0087 stands for "Fuel Rail/System Pressure - Too Low." This code means the fuel rail or fuel system pressure has dropped below the level the engine's computer expects. The computer monitors a fuel pressure sensor and has seen pressure fall too low, meaning the engine isn't getting enough fuel — especially noticeable under acceleration or load. This is most common on direct-injection and diesel systems that run very high pressures. Symptoms include hard starting, stalling, hesitation, lack of power, and possible limp mode. On Hyundai specifically, this code is documented across 3 models.
What causes P0087 on Hyundai vehicles?▼
Common causes on Hyundai: Clogged or dirty fuel filter, Weak or failing fuel pump (lift pump or high-pressure pump), Faulty fuel pressure regulator or control valve, Restricted or leaking fuel lines, Faulty fuel pressure sensor. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P0087 on a Hyundai?▼
Repair costs on Hyundai range from $450 to $900, depending on the specific model and root cause.
Which Hyundai models have P0087 documented?▼
Au7o has documented P0087 on 3 Hyundai models: Elantra, Tucson, Veloster.