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How to Replace the Spark Plugs on an Alfa Romeo 147

Model: Alfa Romeo 147 MK 1 - Years: 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Part: Spark plugs

Video tutorial

This model of car is famous for introducing the twin spark system, which uses two spark plugs for each cylinder, one larger with two electrodes and one smaller: during the spark plug replacement, you will need to change all 8; first, remove the engine cover, disconnect the battery and the power connectors of the ignition coils; then proceed to unscrew the fixing screws of the plate that supports both the ignition coils and the spark plug leads, remove it, and unscrew the spark plugs; screw in the new ones without exceeding the torque specification and reassemble the leads and coils.


Updated on 20 February 2026 by ScegliAuto


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