Domus Posted January 12, 2013 Share Posted January 12, 2013 Just running through the service schedule for my 150 Sigma. Two years old just 6,400 miles. Caterham's book says change spark plugs every 2 years. I thought modern plugs lasted much longer than that. Has anyone changed Sigma plugs after 2 years? If so are they standard 1.6 Focus ones? Link to comment Share on other sites More sharing options...
OliW Posted January 12, 2013 Share Posted January 12, 2013 Hi, See this thread... linky And the following references: Caterham part - 36E038A FoMoCo ref: ayfs22cb Bosch Ref: hr8mev NGK ref: TR5B13 Oli Link to comment Share on other sites More sharing options...
Domus Posted January 12, 2013 Author Share Posted January 12, 2013 Thanks, missed that thread. At that price changing every 2 years is cheap as chips. Link to comment Share on other sites More sharing options...
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