2002 Toyota 4Runner Q&A
2002 Toyota 4Runner Question: Changing Spark Plugs
The ignition coils cover the spark plugs on one side of the engine and plugs wires are on the other side. When I work on engines I am not familiar with, I will replace one spark plug and wire at a time. This way I do not have to worry about getting the firing order wrong. Autozone's website has free repair guides and has instructions on how to replace the plugs for your 4runner. I personally like to put a small dab of anti-seize on the new spark plug threads when installing new plugs. http://www.autozone.com/shopping/repairGuide.htm If you plan on working on your 4Runner I do suggest finding a service manual. The 4runner and Tacoma have a large following in the off road community and resources online are also widely available. http://www.4crawler.com/4x4/FSM.shtml 4crawler's site has some info on service manuals too. - Andy Y
Need to replace spark plugs, but can't locate them. Where are they located?
I've already replaced the water pump and the timing belt. My truck is not a 4X.
about a month ago I had cylinder 4 misfire, changed my spark plugs, wires, and coil packs. Ran...
After replacing the spark plugs in my 1998 4runner the alarm went off and will not turn off with alarm buttons on key. It eventually stops and then repeatedly goes off again in a minute or so. I ha...
the car started running rough at about 46mph, mechanic found a cracked spark plug and put in new ones. 3 weeks later, same symptoms..running fine until about 46mph and then real rough and then smo...