Fuel rail pressure too low on Hyundai — 1.6 CRDi U2 lift pump and HP pump wear.
Hyundai P0087 — Fuel rail pressure too low on Hyundai — 1.6 CRDi U2 lift pump and HP pump wear. Typical UK independent garage cost: £180–£1400.
What actually causes P0087 on a Hyundai
Hyundai CRDi P0087 — lift pump or DRV first, HP pump last. Check warranty status.
Hyundai engines that log P0087
- 1.6 CRDi U2 (i30/Tucson)
- 2.0 CRDi R-line (Santa Fe/Tucson)
How we diagnose P0087 on a Hyundai
- VIN warranty check
- Lift pump pressure
- Filter swarf
- DRV/HP pump test
The common misdiagnosis to avoid
Hyundai 5/7-year cover often pays for pump replacement — VIN check before chargeable diagnostic.
Hyundai P0087 repair cost in the UK
Expect £180–£1400 including parts and labour at an independent garage. Main-dealer quotes on Hyundai are usually higher for the same job, and the spread exists because the cheap cause and the expensive cause throw the same code — pay for the diagnosis before you pay for parts.
Bob's workshop tip
1.6 CRDi P0087 within warranty — main dealer first. Free fix worth waiting for.
Codes usually seen alongside P0087 on Hyundai
- P0088
- P0089
Symptoms drivers report with P0087
- Sudden loss of power on the motorway — car drops into limp mode at exactly 2,500 RPM
- Restarts fine after a key-cycle, then relimps under load 20 minutes later
- Hard cold-starting: cranks for 4–6 seconds before catching
- Uneven idle with a diesel-knock 'nail' from cold
- MPG drops 3–7 mpg before the light even comes on
- Metal glitter in the fuel filter housing = CP4 pump has already grenaded
Repairs that clear P0087
- Replace fuel filter first (cheap, fast)
- Test rail pressure with scan tool
- Injector leak-off test (diesel)
- Replace HPFP only if proven by pressure test
For the generic, all-makes explanation of this code — meaning, every known cause and UK cost bands — see our P0087 guide.