Change Car Spark Plugs Audi A4

Change Car Spark Plugs

Easy 0h30–3h00 ~50–300£
Estimated time 0h30–3h00
Estimated labour cost ~50–300£
Difficulty Easy
Vehicles
A4 1995-2002 30
  • 1.6 Petrol (ADP)
  • 1.6 Petrol (AHL)
  • 1.6 Petrol (ALZ)
  • 1.6 Petrol (ANA)
  • 1.8 20V Petrol (ADR)
  • 1.8 20V Petrol (AFY)
  • 1.8 20V Petrol (APT)
  • 1.8 20V Petrol (ARG)
  • 1.8 20V Petrol (AVV)
  • 1.8 20V Turbo Petrol (AEB)
  • 1.8 20V Turbo Petrol (AJL)
  • 1.8 20V Turbo Petrol (ANB)
  • 1.8 20V Turbo Petrol (APU)
  • 1.8 20V Turbo Petrol (ARK)
  • 1.8 20V Turbo Petrol (AWT)
  • 2.4 V6 30V Petrol (AGA)
  • 2.4 V6 30V Petrol (ALF)
  • 2.4 V6 30V Petrol (AML)
  • 2.4 V6 30V Petrol (AMM)
  • 2.4 V6 30V Petrol (APS)
  • 2.4 V6 30V Petrol (ARJ)
  • 2.6 V6 Petrol (ABC)
  • 2.8 V6 30V Petrol (ACK)
  • 2.8 V6 30V Petrol (ALG)
  • 2.8 V6 30V Petrol (AMX)
  • 2.8 V6 30V Petrol (APR)
  • 2.8 V6 30V Petrol (AQD)
  • RS4 (2.7 V6) Petrol (ASJ)
  • RS4 (2.7 V6) Petrol (AZR)
  • S4 (2.7 V6) Petrol (AZB)
A4 2001-2005 13
  • 1.6 8V Petrol (ALZ)
  • 1.8 20V Turbo Petrol (AMB)
  • 1.8 20V Turbo Petrol (AVJ)
  • 1.8 20V Turbo Petrol (BEX)
  • 1.8 20V Turbo, -Cabriolet Petrol (BFB)
  • 2.0 20V, -Cabriolet Petrol (ALT)
  • 2.0 FSi Petrol (AWA)
  • 2.4 V6 30V, -Cabriolet Petrol (AMM)
  • 2.4 V6 30V, -Cabriolet Petrol (BDV)
  • 3.0 V6 30V Petrol (AVK)
  • 3.0 V6 30V, -Cabriolet Petrol (ASN)
  • 3.0 V6 30V, -Cabriolet Petrol (BBJ)
  • S4 (4.2 V8), -Cabriolet Petrol (BBK)
A4 2005-2009 14
  • 1.6 8V Petrol (ALZ)
  • 1.8 20V Turbo, -Cabriolet Petrol (BFB)
  • 2.0 20V Petrol (ALT)
  • 2.0 TFSI Petrol (BGB)
  • 2.0 TFSI Petrol (BPG)
  • 2.0 TFSI Petrol (BPJ)
  • 2.0 TFSI Petrol (BUL)
  • 2.0 TFSI, -Cabriolet Petrol (BWE)
  • 2.0 TFSI, -Cabriolet Petrol (BWT)
  • 3.0 V6 30V Petrol (BBJ)
  • 3.2 V6 FSi Petrol (BKH)
  • 3.2 V6 FSi, -Cabriolet Petrol (AUK)
  • RS4 (4.2 V8) Petrol (BNS)
  • S4 (4.2 V8) Petrol (BBK)
A4 2007-2015 16
  • 1.8 TFSI Petrol (CABA)
  • 1.8 TFSI Petrol (CABB)
  • 1.8 TFSI Petrol (CDHA)
  • 1.8 TFSI Petrol (CDHB)
  • 1.8 TFSI Petrol (CJEB)
  • 2.0 TFSI Bioethanol (E85),Petrol (CFKA)
  • 2.0 TFSI Petrol (CDNB)
  • 2.0 TFSI Petrol (CDNC)
  • 2.0 TFSI Petrol (CNCD)
  • 3.0 TFSI Petrol (CMUA)
  • 3.0 TFSI Petrol (CRED)
  • 3.2 V6 FSi Petrol (CALA)
  • RS4 (4.2 TFSI) Petrol (CFSA)
  • S4 (3.0 TFSI) Petrol (CAKA)
  • S4 (3.0 TFSI) Petrol (CGWC)
  • S4 (3.0 TFSI) Petrol (CREC)
A4 2016-2025 14
  • 1.4 TFSI Petrol (CVNA)
  • 2.0 TFSI MHEV 48V (MHEV),Petrol (DDWA)
  • 2.0 TFSI MHEV 48V (MHEV),Petrol (DEMA)
  • 2.0 TFSI Petrol (CVKB)
  • 2.0 TFSI Petrol (CYRB)
  • 2.0 TFSI Petrol (CYRC)
  • 35 TFSI MHEV 48V (MHEV),Petrol (DLVB)
  • 35 TFSI MHEV 48V (MHEV),Petrol (DMSB)
  • 40 TFSI MHEV 48V (MHEV),Petrol (DLVA)
  • 40 TFSI, MHEV 48V (MHEV),Petrol (DMSA)
  • 45 TFSI MHEV 48V (MHEV),Petrol (DKNA)
  • 45 TFSI MHEV 48V (MHEV),Petrol (DMTA)
  • RS4 (2.9 FSi) Petrol (DECA)
  • S4 (3.0 TFSI) Petrol (CWGD)

What is the role of Audi A4 spark plugs?

The spark plug generates a spark at the precise moment needed to ignite the air/fuel mixture in the combustion chamber of petrol (or LPG) engines. The engine management system controls ignition timing.

When should you change your Audi A4 spark plugs?

Manufacturers provide replacement recommendations; refer to your vehicle maintenance booklet. Generally replace every 60,000 km (45,000 km for severe use). Some vehicles with long-life plugs (titanium, platinum, iridium) can go 100,000–150,000 km.

How do I know if I need to change my Audi A4 spark plugs?

Via the EOBD system (mandatory since 2001 on petrol cars), faulty spark plugs will trigger fault codes, typically P0301–P0304 (misfire, cylinders 1–4). Symptoms include: difficulty starting, misfires, reduced engine power, increased fuel consumption.

Is it difficult to change Audi A4 spark plugs?

Difficulty level 2/5: technically easy but requires specific tools (spark plug wrench, torque wrench). Key points: wait for cold engine, clean plug well with compressed air before removal, never use a dropped plug, do not grease threads, hand-tighten then torque to specification.

View all compatible products →
View your A4 maintenance plan (keep the A4 token) →

5 models covered

Model Year Range Engines covered Fuel
A4 1995-2002 1995-2002 1.6 Petrol (ADP), 1.6 Petrol (AHL), 1.6 Petrol (ALZ), 1.6 Petrol (ANA), 1.8 20V Petrol (ADR), 1.8 20V Petrol (AFY), 1.8 20V Petrol (APT), 1.8 20V Petrol (ARG), 1.8 20V Petrol (AVV), 1.8 20V Turbo Petrol (AEB), 1.8 20V Turbo Petrol (AJL), 1.8 20V Turbo Petrol (ANB), 1.8 20V Turbo… Diesel, Petrol
A4 2001-2005 2001-2005 1.6 8V Petrol (ALZ), 1.8 20V Turbo Petrol (AMB), 1.8 20V Turbo Petrol (AVJ), 1.8 20V Turbo Petrol (BEX), 1.8 20V Turbo, -Cabriolet Petrol (BFB), 1.9 TDI Diesel (AVB), 1.9 TDI Diesel (AVF), 1.9 TDI Diesel (AWX), 1.9 TDI Diesel (BKE), 2.0 20V, -Cabriolet Petrol (ALT), 2.0 FSi Petr… Diesel, Petrol
A4 2005-2009 2005-2009 1.6 8V Petrol (ALZ), 1.8 20V Turbo, -Cabriolet Petrol (BFB), 1.9 TDI Diesel (BKE), 1.9 TDI DPF Diesel (BRB), 2.0 20V Petrol (ALT), 2.0 TDI 8V DPF Cabriolet Diesel (BRC), 2.0 TDI 8V DPF, -Cabriolet Diesel (BPW), 2.0 TDI Diesel (BLB), 2.0 TDI Diesel (BNA), 2.0 TDI Diesel (BVG), 2.… Diesel, Petrol
A4 2007-2015 2007-2015 1.8 TFSI Petrol (CABA), 1.8 TFSI Petrol (CABB), 1.8 TFSI Petrol (CDHA), 1.8 TFSI Petrol (CDHB), 1.8 TFSI Petrol (CJEB), 2.0 TDI Diesel (CAGA), 2.0 TDI Diesel (CAGB), 2.0 TDI Diesel (CAGC), 2.0 TDI Diesel (CAHA), 2.0 TDI Diesel (CAHB), 2.0 TDI Diesel (CGLC), 2.0 TDI Diesel (CGLD)… Bioethanol (E85), Diesel, Petrol
A4 2016-2025 2016-2025 1.4 TFSI Petrol (CVNA), 2.0 G-tron CNG (CVLA), 2.0 TDI Diesel (DETA), 2.0 TDI Diesel (DETB), 2.0 TDI Diesel (DEUA), 2.0 TDI Diesel (DEUB), 2.0 TDI Diesel (DEUC), 2.0 TFSI MHEV 48V (MHEV),Petrol (DDWA), 2.0 TFSI MHEV 48V (MHEV),Petrol (DEMA), 2.0 TFSI Petrol (CVKB), 2.0 TFSI Petr… 48V (MHEV), CNG, Diesel, Petrol

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View the service schedule for your A4 →