Good luck if it's anything like my 2004 it has coil packs that most shops will not touch, usually only a dealer will change them and they are extremely expensive.
Need to replace rear spark plugs
Disconnect the battery, remove the spark plug covers and cable, and remove the old spark plugs. Put in the new spark plugs, replace the covers and cable, and reconnect the battery.
BE MORE SPECIFIC. 4 or 6 cylinder?
EVERY 60K
you rotate the engine to get to the rear plugs but the front ones are easy to replace
For a 2000 Mazda 626, the spark plugs are located underneath the engine manifold. In order to remove these, you must first remove the spark plug wire boots by turning upward in a left to right motion. Afterward, use an insulated spark plug socket, extention and driver to remove the spark plugs are they are inches beneath the manifold. Be sure to properly gap the spark plugs, use anti-seize compound, and properly re-attach the spark plug wire boots.
You have to remove the upper intake manifold.
Yes
This info is listed in your owner's manual. Don't have on the replace them at 75,000.
Disconnect the battery, remove the boot cover and spark plug cables, and pull out the old spark plugs. Put in the new spark plugs, replace the boot cover, and spark plug cables, and reconnect the battery.
Easy fix, remove the spark plugs dry everything off. Then go to autozone and get a new valve cover gasket and replace it. This will solve the problem. By the way replace the 4 spark plugs at this time save you having to do it at some other time.
The 2000 Toyota Avalon spark plugs can be located on each side of the engine. The spark plugs will be near the bottom of the engine. There are three spark plugs on each side.