jbudhram015

Just did a minor tune up after having the timing belt and water pump replaced. Cleaned MAF and throttle body as well as changed the spark plugs. There are some good write ups that I used that I'll link below but I wanted to mention some things I ran across.

With the MAF - Be really careful with the screws that hold the sensor in, it was mentioned that you can strip the Air box out but what I ran into was the screws being really crappy and falling apart. I took them in and got replacements at ACE, this is a part you'll remove over and over for cleaning throughout the life of the vehicle so best to keep the screws fresh, <40 cents for both. Also, talked with a Toyota tech and the little electrodes that are visible when you remove the MAF are NOT the most important part of the sensor to clean, cleaning fluid needs to be shot INTO the two cylinders to get the other hidden electrode that's deep in there. Don't use carb cleaner, use MAF cleaner.

About the plugs- From what I Read the NGKs are good but I went with the Densos because they were the OE replacements and because they come pre-gapped from the dealer. Not a huge deal but one less thing to worry about. The biggest thing I noticed that freaked me out a little was that on the passengers side where the coils are, there is no snap when you replace the boot that tells you the boot is properly seated on the plug, seems like the wire contact just sits on the tip of the plug. The driver's side boots snap on like any other car you'd do plugs on. Maybe not a big deal if you've got a ton of experience but I was pretty worried until I started it and it ran great. Also, on the drivers side I had to remove a little more than this write up says, I had to move the fuel line out of that way as well as both support bars mentioned.

Here are the two write ups I used, hope this helps!

http://www.toyota-4runner.org/3rd-ge...ark-plugs.html

http://www.4runners.org/writeups/throttle/index.html


Has a bunch of good writeups!------->http://www.4runners.org/