P0087 on Kia: How to Diagnose & Fix
Fuel Rail/System Pressure - Too Low
1 Kia model · 1 documented issue · 1 critical
P0087 on Kia by model: symptoms, diagnosis and fix
NHTSA campaign 26V232000 (Kia SC368) covers 2022-2026 Carnival vehicles. High-pressure cross-over fuel-pipe nuts may loosen over time, allowing fuel to leak at the connection between the pipe and fuel rail. Fuel odor or a check-engine light may precede the leak; fuel near an ignition source increases fire risk.
Common Symptoms
- Fuel odor
- Check-engine light
- Visible fuel near the cross-over pipe or fuel rail
How to Fix
Check the VIN for campaign 26V232000. Kia dealers inspect the high-pressure cross-over pipe for a leak. If a leak is found, they replace the pipe; otherwise, they securely tighten the pipe nuts. The recall repair is free. The recall also covers certain 2026 Carnivals.
Sources for this issue (1)
P0087 code reference
General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.
Frequently asked questions
What does P0087 mean on a Kia?
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 Kia it is documented across 1 model: Carnival.
What are the most common causes of P0087?
The most common causes of P0087 are: 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). The specific cause varies by vehicle.
How much does it cost to fix P0087 on a Kia?
Repair costs vary widely with the root cause and Kia model; each issue on this page carries its own estimate where one is published.
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Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.