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Old 12-24-2012, 04:32 PM   #11
catawissarocket
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Does that engine have VCT? I'm wondering if the oil is draining back out of it after shut down? Then when you start you hear it fill back up and it runs rough until this happens. With the weather being colder this is taking longer.
I'd change your oil filter to the Ford one I believe it has a valve to prevent flowback.
Just a cheap easy thing to try
Whats a VCT? yeah but we've had the car new since 2004. why would this be happening now? i will give it a shot though.. i'll hit the stealership up next time i change the oil, which will be soon to pick up the ford filter.
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Old 12-25-2012, 04:15 PM   #12
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Was wondering, a buddy of mine suggested maybe its a fuel filter.. it is the original one and its has 131,000 miles..was going to change it out for the hell of it. are they a pain in the butt on the focus? also does it need to be depressurized?
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Old 12-27-2012, 04:57 PM   #13
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Any feedback on this guys?
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Old 12-31-2012, 12:57 PM   #14
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Well there are two belt on the side of the engine one is the serp which is on the accessory's and the timing belt which is over top of two big gears if you have the Zetec engine. If you have a Zetec that knocking sound is very common idk why though but its nothing to worry about. And VCT is variable cam timing which only comes on a SVT Focus which I'm sure you don't have. As for the rough idle whens the last time the air filter was changed, are you having voltage drops, or maybe its a dirty throttle body. Good luck!
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Old 12-31-2012, 04:43 PM   #15
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Well there are two belt on the side of the engine one is the serp which is on the accessory's and the timing belt which is over top of two big gears if you have the Zetec engine. If you have a Zetec that knocking sound is very common idk why though but its nothing to worry about. And VCT is variable cam timing which only comes on a SVT Focus which I'm sure you don't have. As for the rough idle whens the last time the air filter was changed, are you having voltage drops, or maybe its a dirty throttle body. Good luck!
its just a 2.0 single over head cam. probly the simplist and cheapest enging they make.. filter never has been changed and how do you tell if your having voltage drops? throttle body,maybe.. is that easy to clean/ get to??
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Old 12-31-2012, 06:43 PM   #16
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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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Old 12-31-2012, 10:28 PM   #17
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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.
I'll pick up a air filter this week and clean the TB.. 131,000 miles hope to get more life from it.. never was driven hard..
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Old 12-31-2012, 11:52 PM   #18
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My first one lasted 210K till accident totaled it just keep up maintenance and it will last for ever.
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