If your Focus ZTS is like mine you won't be changing out a filter, the 2.3L has a "lifetime" air filter that is a non serviceable part. I found some after market filter housings to make it possible to have a real filter but I have yet to buy one do to the cost, over 150 dollars.
When you change the oil and oil filter.
replace it
Dirty fuel filter??
The cost to replace the air filter on a 2004 Ford Focus typically ranges from $20 to $50, including the filter and labor if done at a shop. If you choose to do it yourself, the filter alone usually costs between $10 and $30. Prices may vary based on location and specific service providers. Always check for any additional fees or promotions that may apply.
How do you replace the windsshield wiper relay in a 2004 Ford Focus. It would appear that the relay is in the fusebox, but access to it is impossible. Looks like the fusebox may need to be removed to access.
Try this hot-link. > http://www.myfordfocus.com/how-to/cabinfilter.htm <
It's paper. You don't "clean it," you REPLACE it.How_do_you_clean_2005_Ford_Focus_air_filter
3-500 dollars
Go to NAPA and buy a Repair Manual.
Look under the hood behind the air filter.
The 2004 Ford Focus has 16 valves.
who is the location of the fuse box of ford focus 2004? fuse box ford focus 2004 location