Quote:
Originally Posted by ieatfish
Thanks guys, I figured I'd bite the bullet and do the plugs since it hasn't been doing anything else, no lowering of fluid, and I checked for fluid in the cylinder and didn't see any. It is a 09/05 manufacture which is not my favorite thing to realize but I'm not terribly concerned.
Ended up swapping the plugs for some Denso 3421 Iridium plugs. The plugs in the block were half Denso and half NGK. That leads me to believe they were the original plugs!
We'll see how this goes, hopefully it isn't an injector or wiring as others have suggested but seeing how burnt out the old plugs are, I'm optimistic this was the culprit.
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Definitely original plugs and they have a huge gap, definitely needed to be change because those original copper plugs should be changed every 30,000 miles, hopefully this will solve your issues, for sure can't hurt the way it will run!
Not all early V6s suffer head gasket failure, not sure what the percentage is, but probably not a high percentage or Toyota would of had to do a recall but also high enough that Toyota made the decision to redesign the head gaskets.
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