Nissan P0455

EVAP gross leak on Nissan — fuel cap and EVAP canister vent solenoid on Qashqai/Juke/Micra.

Nissan P0455 — EVAP gross leak on Nissan — fuel cap and EVAP canister vent solenoid on Qashqai/Juke/Micra. Typical UK independent garage cost: £25–£280.

What actually causes P0455 on a Nissan

Nissan P0455 — fuel cap, then vent solenoid (on canister, under rear of car). Rust on vent valve common in UK salted-road areas.

Nissan engines that log P0455

• Qashqai J10/J11 1.6 HR16/2.0
• Juke 1.6
• Micra K12/K13

How we diagnose P0455 on a Nissan

1. Fuel cap test
2. Inspect vent solenoid for corrosion
3. Smoke-test EVAP
4. Replace solenoid if corroded

The common misdiagnosis to avoid

Vent solenoid is exposed to road spray on Qashqai — corroded ones fail intermittently. Replace, don't repair.

Nissan P0455 repair cost in the UK

Expect £25–£280 including parts and labour at an independent garage. Main-dealer quotes on Nissan 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

Qashqai P0455 — vent solenoid + fresh cap. Standard combo job.

Codes usually seen alongside P0455 on Nissan

• P0441
• P0456

Symptoms drivers report with P0455

• Engine warning light appears within a mile of filling up — sometimes the cap wasn't clicked shut
• Strong smell of petrol vapour around the car after parking on a hot day
• MPG barely affected — you'll only notice on the fuel receipts over a month
• MOT emissions test passes but the MIL means an MOT visual fail on any car registered 2018+
• Paired codes: P0440 (generic EVAP), P0441 (purge flow), P0446 (vent circuit), P0455 keeps returning

Repairs that clear P0455

• Refit fuel cap
• Inspect hoses

For the generic, all-makes explanation of this code — meaning, every known cause and UK cost bands — see our P0455 guide.