Audi P0302

Cylinder 2 misfire on Audi — EA888 coil pack or EA189 injector copper-washer leak.

Audi P0302 — Cylinder 2 misfire on Audi — EA888 coil pack or EA189 injector copper-washer leak. Typical UK independent garage cost: £85–£750.

What actually causes P0302 on a Audi

EA888 coil packs are a known weak point; fit OE Bosch or genuine VAG only. On 2.0 TDI EA189 a single-cylinder misfire often traces to a leaking injector copper seal causing carbon build-up around the injector tip.

Audi engines that log P0302

• 2.0 TFSI EA888 Gen2/Gen3
• 2.0 TDI EA189/EA288
• 3.0 TFSI supercharged

How we diagnose P0302 on a Audi

1. Swap coil & plug 2 ↔ 1 — does the code follow?
2. Inspect cylinder 2 injector for black soot ring (failed copper washer)
3. Read injector correction (TDI) and balance trim
4. Borescope intake valves for carbon — EA888 Gen2 is famous for this

The common misdiagnosis to avoid

Aftermarket coils marked 'OE quality' fail repeatedly on EA888 — only fit Bosch/VAG and customers thank you.

Audi P0302 repair cost in the UK

Expect £85–£750 including parts and labour at an independent garage. Main-dealer quotes on Audi 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

EA888 misfires after a service — check the plug torque. Over-torqued plugs crack the porcelain on these engines.

Codes usually seen alongside P0302 on Audi

• P0301
• P0303
• P0304
• P0300

Symptoms drivers report with P0302

• The car feels like a 'kangaroos' when you're pulling away from traffic lights.
• A violent shudder or 'judder' specifically under heavy load, like climbing a hill in 4th gear.
• The engine light starts flashing—that's the car telling you the catalytic converter is melting.
• Lumpy idle that feels like the car is 'coughing' through the seat.
• A distinctive 'putt-putt' sound from the exhaust tailpipe when parked.

Repairs that clear P0302

• Replace plug & coil
• Injector test

For the generic, all-makes explanation of this code — meaning, every known cause and UK cost bands — see our P0302 guide.