davew_333 Posted October 31, 2004 Share Posted October 31, 2004 Hi - I am trying to change the spark plugs in my '01 GS300 and cannot for the life of me remove the "VVT-I" plastic cover!! I removed the 4 screws on top and cannot find anything else attached to it. Is there something I am missing or should I just yank it as hard as I can?! Also, I purchase Denso Iridium spark plugs online. Do I need to gap them? If so, at what measurement? TIA! Quote Link to comment Share on other sites More sharing options...
ColinBarber Posted November 2, 2004 Share Posted November 2, 2004 The plugs should be pre-gapped correctly, 1.1mm. Be careful if you check the gaps as the centre tip can easily break off. Quote Link to comment Share on other sites More sharing options...
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