need to do a tune-up and am going to replace sparkplugs and wires. does anyone have any suggestions on good ones to use or should i just use the same oem ones used from toyota. what kinds have you used and is there any performance gained from using some better non oem kinds. any help would be great.
good wires and spark plugs to buy.....
- Thread starter hdoggie24
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Uneek
Super Moderator
What year 4Runner do you have?
4th gen, 2003-present doesn't require plug wire changes as the coil pack is directly above the spark plugs, it's a distributorless ignition design. IIRC, the third gen 1996-2002, also uses a distributorless design.
OEM Toyota plugs are either NipponDenso or NGKs, both are very good brands.
4th gen, 2003-present doesn't require plug wire changes as the coil pack is directly above the spark plugs, it's a distributorless ignition design. IIRC, the third gen 1996-2002, also uses a distributorless design.
OEM Toyota plugs are either NipponDenso or NGKs, both are very good brands.
Uneek
Super Moderator
Spark plugs are something you do can yourself. It's fairly simple, if you have a distributorless ignition system, you will need to remove one or two screws before you pull the coil pack out to access the plug. If you have a distributor cap and rotor, the plug wires will just pull straight out. Depending on miles, the cap, rotor and wires might need replacing as well. Simply remove the plug and install the new one. It would be best to hand thread the plug then use a wrench to minimize the risk of cross threading. Using a bit of anti-seize on the threads will also make plug removal for the next change a bit easier. I'm not familiar with the 3.4 V6, but there may be a few plugs that you might not be able to get direct access to and might have to either push a hose off to the side or disconnect it. My 4.0 V6 have some hoses that block access to a couple plugs.
As far as plugs go from the dealer either brand would be pretty much the same. The dealer will most likely sell you regular plugs or which ever type that's installed from the factory. If you're buying from an auto store, then you might be presented with different choices such as regular, platinum and iridium.
As far as plugs go from the dealer either brand would be pretty much the same. The dealer will most likely sell you regular plugs or which ever type that's installed from the factory. If you're buying from an auto store, then you might be presented with different choices such as regular, platinum and iridium.
