Urinary retention is the inability to empty the bladder. Dysuria means difficult urination. The absence of urinary output is called anuria. The inability to form urine is term â¦ ed anuria.
Some experts recommend changing your air filter as often as every 3,000 miles (4,828 kilometers), along with changing the oil [source: 2CarPros.com ].Others say that's a little too excessive and that you should simply use your judgment in visually spot-checking the air filter and change it out when it looks dirty.ome experts recommend changing your air filter as often as every 3,000 miles (4,828 kilometers), along with changing the oil [source: 2CarPros.com ].
Changing an Air Filter. Before you start heaving luggage out of your car's side windows or imposing passenger weight restrictions to improve your vehicle's mileage, check the air filter. A dirty or clogged air filter can alter your vehicle's gas mileage by up to 10%.ext, remove the filter and inspect it for dirt by bending back the paper ridges. If deemed filthy, go purchase a new one. Insert the new filter and make sure the casing is tightly secured. Not only is this fast, but cost efficient. Most quick lube shops charge up $20 to change an air filter.