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For past few thousand miles a slight hesitation has been developing moving off in 1st gear.
The ST is over two years old and was approaching the 35K mile mark so I thought was time to replace the plugs.
I sourced some RS plugs(7G9N 12405 AA) and replaced today. Incidentally, the plugs are the exact same as the old OEM plugs I replaced.

What a transformation! Car is smooth as a babies bottom now.

Should have replaced them much sooner.
 

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QUOTE(GJM @ 8 Nov 2009, 05:57 PM) <{POST_SNAPBACK}>What a transformation! Car is smooth as a babies bottom now.

Should have replaced them much sooner.

Have to agree changed mine at abot 44k ... remarkable difference

QUOTE(rickylee @ 8 Nov 2009, 06:21 PM) <{POST_SNAPBACK}>Worth knowing. I've just passed 20k miles and it feels like it's hesitating a bit. How much were the new plugs and are they easy to fit?

Easy peasy I did mine so you can do yours ..... make sure you have the right tools ... a long range plug socket as they in deep !!!!!
 
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