How hard is it 2 change fuel filter on 99 explorer

First thing I would check is fuel pressure. Low fuel pressure will cause hesitation and hard starting. How long since the fuel filter has been changed? A weak or old, tired pump can also cause low pressure. If pressure is good, scan for trouble codes.

Fuel Filter Replacement on 97 Explorer There's no trick, but you do need a special tool.

1. Remove the safety retainers from the fuel line/filter connections.

2. Install the special tool between the line & filter & slide it toward the filter to release the metal tangs that hold the line to the filter.

3. Slide the line off of the filter.

www.ontool.com"]Ontool.com[/a] sells a full set of Lisle brand fuel line tools for less than eight bucks. You should also be able to find them at nearly any local autoparts store.

It is on the front of the fuel tank under a shield that has to be removed to get to the fuel filter, 2 nuts has to be removed , filter can be seen if you look very hard.

If it's a six cylinder, the air filter and fuel filters are accessible. The front spark plugs are not too hard. The rear plugs are difficult and you can expect to tear a knuckle or two trying to change them.

You may have dirty or clogged fuel injectors, may also be problems with the ignition system. Might also check the fuel pressure to make sure the fuel pump is working correctly.

You mention no check engine light, and all the work you've done leave one solution; Your catalytic converter is clogged.

When you replace you catalytic converter your issues will cease. This is a very common problem, and a simple fix.

I hope this information helps and I wish you luck with your repair.

have you changed the plug and wirers ? it is runnig rich at idle .my be the injectors ar leaking