Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum - View Single Post - Rough idle,ticking noise-PLEASE HELP!!!!
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Old 12-31-2012, 06:43 PM   #16
anarchy0392
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Well change the air filter with a K&N if you wan it to breath better or use a cheaper one but you really do need to change its supposed to be done every 60k miles so you really do need to get it done. If your having voltage drops then your lights will be dimming slightly but its noticeable the most against a wall. And the throttle body is just on the back of the engine on top where the plastic air intake tube goes. If you ever reved your engine from under the hood then your touching the TB. There is a how to for cleaning it on here.
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