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Change Car Spark Plugs

Easy 0h30–0h45 ~50–75£
Estimated time 0h30–0h45
Estimated labour cost ~50–75£
Difficulty Easy
Vehicles
Astra F (Classic) 1992-2001 23
  • 1.4 MPFi Petrol (14SE)
  • 1.4i 16V Petrol (X14XE)
  • 1.4i Petrol (C14NZ)
  • 1.4i Petrol (X14NZ)
  • 1.4S Petrol (14NV)
  • 1.4Si Petrol (C14SE)
  • 1.6i 16V Petrol (X16XEL)
  • 1.6i Petrol (16LZ2)
  • 1.6i Petrol (C16NZ)
  • 1.6i Petrol (X16SZ)
  • 1.6i Petrol (X16SZR)
  • 1.6S Petrol (16SV)
  • 1.6Si Petrol (C16SE)
  • 1.8i 16V Petrol (C18SEL)
  • 1.8i 16V Petrol (C18XE)
  • 1.8i 16V Petrol (C18XEL)
  • 1.8i 16V Petrol (X18XE)
  • 1.8i 16V Petrol (X18XE1)
  • 1.8i Petrol (C18NZ)
  • 2.0i 16V Petrol (C20XE)
  • 2.0i 16V Petrol (X20XEV)
  • 2.0i Petrol (20SEH)
  • 2.0i Petrol (C20NE)
Astra G (Classic II) 1998-2007 17
  • 1.2 16V Petrol (Z12XE)
  • 1.4 16V Petrol (X14XE)
  • 1.4 16V Petrol (Z14XE)
  • 1.4 16V Petrol (Z14XEP)
  • 1.6 16V Petrol (X16XEL)
  • 1.6 16V Petrol (Z16XEP)
  • 1.6 16V, -LPG LPG,Petrol (Z16XE)
  • 1.6, -LPG LPG,Petrol (Z16SE)
  • 1.6, -LPG Petrol (X16SZR)
  • 1.8 16V Petrol (X18XE1)
  • 1.8 16V Petrol (Z18XEL)
  • 1.8 16V, -LPG LPG,Petrol (Z18XE)
  • 2.0 16V OPC Petrol (X20XER)
  • 2.0 16V Petrol (X20XEV)
  • 2.0 16V Turbo OPC Petrol (Z20LET)
  • 2.0 16V Turbo Petrol (Z20LET)
  • 2.2 16V Petrol (Z22SE)
Astra H (Classic III) 2004-2012 13
  • 1.4 16V Petrol (Z14XEL)
  • 1.4 16V, -LPG LPG,Petrol (Z14XEP)
  • 1.6 16V Petrol (A16XER (LDE))
  • 1.6 16V Petrol (Z16LET)
  • 1.6 16V Petrol (Z16XE1)
  • 1.6 16V Petrol (Z16XEP)
  • 1.6 16V, -LPG LPG,Petrol (Z16XER)
  • 1.8 16V Petrol (A18XER (2H0))
  • 1.8 16V Petrol (Z18XE)
  • 1.8 16V Petrol (Z18XER)
  • 2.0 16V Turbo (OPC) Petrol (Z20LEH)
  • 2.0 16V Turbo Petrol (Z20LEL)
  • 2.0 16V Turbo Petrol (Z20LER)
Astra J 2010-2017 17
  • 1.4 16V Turbo Petrol (A14NEL (LUJ))
  • 1.4 16V Turbo Petrol (B14XER (LDD))
  • 1.4 16V Turbo, -LPG LPG,Petrol (A14NET (LUJ))
  • 1.4 16V Turbo, -LPG LPG,Petrol (B14NEL (LUJ))
  • 1.4 16V Turbo, -LPG LPG,Petrol (B14NET (LUJ))
  • 1.4 16V, -LPG LPG,Petrol (A14XEL (LDD))
  • 1.4 16V, -LPG LPG,Petrol (A14XER (LDD))
  • 1.6 16V Petrol (B16XER (LDE))
  • 1.6 16V Turbo Petrol (A16LET (LLU))
  • 1.6 16V Turbo Petrol (A16XHT (LVP))
  • 1.6 16V, -LPG Petrol (A16XER (LDE))
  • 1.6 SIDI Petrol (A16SHT (LWC))
  • 1.6 SIDI Petrol (B16SHL (LWC+PL5))
  • 1.6 SIDI Petrol (B16SHT (LWC))
  • 1.8 16V Petrol (A18XER (2H0))
  • 2.0 16V Turbo (OPC) Petrol (A20NFT (LHU))
  • 2.0 16V Turbo (OPC) Petrol (B20NFT (LHU))
Astra K 2016-2022 14
  • 1.0 12V Petrol (B10XFT (LE1))
  • 1.0 12V Petrol (D10XFL (LE1))
  • 1.0 12V Petrol (D10XFL (LE1+PL5))
  • 1.2 Turbo Petrol (F12SHL (LIH))
  • 1.2 Turbo Petrol (F12SHR (LIH))
  • 1.2 Turbo Petrol (F12SHT (LIH))
  • 1.3 Turbo Petrol (F14SHT (L3T))
  • 1.4 Turbo Petrol (B14XFL (LE2+PL5))
  • 1.4 Turbo Petrol (B14XFL (LE2+PL5))
  • 1.4 Turbo Petrol (B14XFT (LE2))
  • 1.4 Turbo Petrol (D14XFL (LE2+PL5))
  • 1.4 Turbo Petrol (D14XFT (LE2))
  • 1.6 SIDI Petrol (B16SHT (LWC))
  • 1.6 Turbo Petrol (D16SHT (LWC))
Astra L 2022-2025 4
  • 1.2T 110 Petrol (EB2ADT (HNP))
  • 1.2T 130 Petrol (EB2ADTS (HNS))
  • GSe (1.6 Turbo Plug-in Hybrid 225) Electricity,Petrol (EP6FADTXHPD (DGY))
  • Plug-in Hybrid 180 (1.6 Turbo) Electricity,Petrol (EP6FADTXHPE (DGX))

What is the role of Opel Astra 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 Opel Astra 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 Opel Astra 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 Opel Astra 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.

6 models covered

Model Year Range Engines covered Fuel
Astra F (Classic) 1992-2001 1992-2001 1.4 MPFi Petrol (14SE), 1.4i 16V Petrol (X14XE), 1.4i Petrol (C14NZ), 1.4i Petrol (X14NZ), 1.4S Petrol (14NV), 1.4Si Petrol (C14SE), 1.6i 16V Petrol (X16XEL), 1.6i Petrol (16LZ2), 1.6i Petrol (C16NZ), 1.6i Petrol (X16SZ), 1.6i Petrol (X16SZR), 1.6S Petrol (16SV), 1.6Si Petrol (C… Diesel, Petrol
Astra G (Classic II) 1998-2007 1998-2007 1.2 16V Petrol (Z12XE), 1.4 16V Petrol (X14XE), 1.4 16V Petrol (Z14XE), 1.4 16V Petrol (Z14XEP), 1.6 16V CNG CNG,Petrol (Z16YNG), 1.6 16V Petrol (X16XEL), 1.6 16V Petrol (Z16XEP), 1.6 16V, -LPG LPG,Petrol (Z16XE), 1.6, -LPG LPG,Petrol (Z16SE), 1.6, -LPG Petrol (X16SZR), 1.7 CDTi… CNG, Diesel, LPG, Petrol
Astra H (Classic III) 2004-2012 2004-2012 1.3 CDTi 16V (DPF) Diesel (Z13DTH), 1.4 16V Petrol (Z14XEL), 1.4 16V, -LPG LPG,Petrol (Z14XEP), 1.6 16V Petrol (A16XER (LDE)), 1.6 16V Petrol (Z16LET), 1.6 16V Petrol (Z16XE1), 1.6 16V Petrol (Z16XEP), 1.6 16V, -LPG LPG,Petrol (Z16XER), 1.7 CDTi Diesel (A17DTJ (LPV)), 1.7 CDTi D… Diesel, LPG, Petrol
Astra J 2010-2017 2010-2017 1.3 CDTi Diesel (A13DTE (LSF)), 1.4 16V Turbo Petrol (A14NEL (LUJ)), 1.4 16V Turbo Petrol (B14XER (LDD)), 1.4 16V Turbo, -LPG LPG,Petrol (A14NET (LUJ)), 1.4 16V Turbo, -LPG LPG,Petrol (B14NEL (LUJ)), 1.4 16V Turbo, -LPG LPG,Petrol (B14NET (LUJ)), 1.4 16V, -LPG LPG,Petrol (A14XEL… Diesel, LPG, Petrol
Astra K 2016-2022 2016-2022 1.0 12V Petrol (B10XFT (LE1)), 1.0 12V Petrol (D10XFL (LE1)), 1.0 12V Petrol (D10XFL (LE1+PL5)), 1.2 Turbo Petrol (F12SHL (LIH)), 1.2 Turbo Petrol (F12SHR (LIH)), 1.2 Turbo Petrol (F12SHT (LIH)), 1.3 Turbo Petrol (F14SHT (L3T)), 1.4 16V Petrol (B14XE (LV7)), 1.4 CNG CNG (B14XNT … CNG, Diesel, Petrol
Astra L 2022-2025 2022-2025 1.2T 110 Petrol (EB2ADT (HNP)), 1.2T 130 Petrol (EB2ADTS (HNS)), 1.2T mHEV 48V (MHEV),Petrol (EB2LTDH2 (HPY)), 1.5 CDTi Diesel (DV5RC (YHZ)), GSe (1.6 Turbo Plug-in Hybrid 225) Electricity,Petrol (EP6FADTXHPD (DGY)), Plug-in Hybrid 180 (1.6 Turbo) Electricity,Petrol (EP6FADTXHPE… 48V (MHEV), Diesel, Electricity, Petrol