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Old 11-20-2006, 04:04 PM   #1
carpenter64
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2005 Focus ZX4 Tune Up

I own a 2005 Focus ZX4 with 46,000 miles on it and it needs a tune up. I am told that it only needs plugs and a fuel filter. How about a cap and rotor and the such. I cannot see paying the dealer $250 for 4 spark plugs and one fuel filter. The dealer is no help whatsoever. I would appreciate any specs anyone could give me. It has the 2.0 I believe. It has the reaplceable air filter by the battery box. Thanks crowd!


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Old 11-20-2006, 04:10 PM   #2
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Welcome to the world of moden engine electronics. Distributers have long gone away, so there is no cap or rotor to be maintained. In fact, instead of one coil power all spark plugs, there is a coil for each spark plug, sitting right on top, so there are no spark plug wires either.

Also, your air filter isn't servicable. All Duratecs have a lifetime air filter.

Your manual should outline the service needed. It should only be an oil change, maybe a fuel filter, and a bunch of inspections.
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Old 12-01-2006, 02:56 PM   #3
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Do you have any idea what would be the best plugs to get for my 2005 ZX4 and how do I determine motor size and whether or not it is a Duratec?
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Old 12-01-2006, 07:27 PM   #4
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How do you have a 2005 with a filter you can replace from under the hood- if it's stock? Just curious, as far as I know the factory only supplied the non-removeable lifetime filters which are located inside the fender.

If your intake manifold is in the front of the engine compartment- then your motor is a Duratec, if it's in the back of the engine compartment, then it's a Zetec. I don't know if these engines have plugs with the same heat range or not. Motor size will be listed on the VECI (in small print)- that's the sticker on the bottom of the hood of the car that has the vacuum routing and emissions diagram on it.

Autolite 104's have been the change plug of choice. They only last 20k miles, but only cost $5 total for all. Platinum is much lower in conductance than the copper core used in the 104's, but will last longer- and costs 3x much.
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Old 12-01-2006, 07:30 PM   #5
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Oh, you can also look for coil on plug ignition. The Duratec has this type of ignition- the little coils bolt on top of the valve cover one on top of each plug. A Zetec motor will have a coil with 4 ouputs, and standard plug wires. The Duratec motor does not have plug wires like other types of ignition systems.
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Old 12-01-2006, 07:40 PM   #6
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carpenter64 -

See also this thread:

http://www.focusfanatics.com/forum/s...t=100388&pp=12

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Old 12-02-2006, 01:19 PM   #7
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Thanks a ton. The air filter box is inside the drivers side fender and the top is held on with 1 or 2 bolts and the filter just lifts right out. It was that way when I bought it. The only other thing I have noticed since you seem very knowledgable is that the car seems to have a little bit of a buzz in the steering wheel during idle that it has never had. the car has 47,000 miles on it and I thought perhaps it needed new plugs and a fuel filter. I don't guess either would hurt. I also have the noisest Goodyear tires I have ever seen. The make the most road noise and that is a a shame out of a car so good otherwise. Any ideas on tire choice? Ohh and based on your description, mine is a Duratec. It has one coil and the manifold is in the front. Thanks for all your help!
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Old 12-03-2006, 09:10 PM   #8
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um if its making noise when turning check your power steering fluid, its prob getting low causing that to happen.

I like kuhmo 712's, shorter life span, awesome grip for the money

<l><l>
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Old 12-04-2006, 06:48 AM   #9
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Can you get a picture of this change-able filter? I'm curious.
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Old 01-19-2007, 06:19 PM   #10
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Quote:
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um if its making noise when turning check your power steering fluid, its prob getting low causing that to happen.

I like kuhmo 712's, shorter life span, awesome grip for the money

<l><l>
don't buy kumho tires....

Buy something good like BFGs or Pirelli...

just for the love of God, don't buy Kumho tires...
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