Spark plugs change on 4th gen V6

[IK13]

Looking at the Toyota maintenance schedule online I noticed that for this engine Toyota requires that the spark plugs are changed at 60K (bought it certified preowned at 34K, so I don't know if it was done at 30K).
Required by the terms of the Emission Control Warranty.

Well I'm at 65K, didn't change'em at 60K. Dealer serviced (oil changes at ~5K intervals). Didn't know and the dealer didn't bother to tell me (offered other nonsense though).
The car runs fine and I can't detect any signs that the spark plugs actually need change.
So, did I void my "Emission Control Warranty"?

 

[CJ3Flyr]

Looking at the Toyota maintenance schedule online I noticed that for this engine Toyota requires that the spark plugs are changed at 60K (bought it certified preowned at 34K, so I don't know if it was done at 30K).
Required by the terms of the Emission Control Warranty.

Well I'm at 65K, didn't change'em at 60K. Dealer serviced (oil changes at ~5K intervals). Didn't know and the dealer didn't bother to tell me (offered other nonsense though).
The car runs fine and I can't detect any signs that the spark plugs actually need change.
So, did I void my "Emission Control Warranty"?

You're due for a spark plug change. The OE spark plugs are not the long-life type, they are "old school" plugs. The 1GRFE was emissions certified with these plugs hence the 30k replacement schedule and the stipulation about the emissions warranty.

Many have run 60k and more and the engine runs fine. As for the warranty; it's unlikely plugs would come up as an issue but if they did then it's worth it to have new ones in there. It's very unlikely you'd have an emissions warranty issue at 75k with semi-fresh spark-plugs and the dealer would deny the claim because it spent some time running plugs with more than 30k. It's very different than oil changes...

I choose to run the long-life Iridiums. For you they'd be perfect, you could put them in now, ride out the rest of your emissions warranty and then not think about them until 160+k. Denso SK20HR11 or an NGK ILFR6T-11 will work great.
:cheers:

 

[IK13]

Thanks Chris. I'll do that. What would be a good place to get those?
Are the NGKs these?
These are not with the coated threads, and anti-seize is a good idea, right?
On my older cars, whenever I changed the spark plugs, I usually changed the cables too. Is this the case with the 4R too?

 

[CJ3Flyr]

Thanks Chris. I'll do that. What would be a good place to get those?
Are the NGKs these?
These are not with the coated threads, and anti-seize is a good idea, right?
On my older cars, whenever I changed the spark plugs, I usually changed the cables too. Is this the case with the 4R too?

Those are it... I'd check Autozone and Advanced. I did the Denso's from Advanced. The long part # I posted is correct #. The shorter 4904 number is a catalog # Take either one or both with for the NGK's.

IMHO it doesn't matter whether you chose the Denso's or NGK's, they're both great.

 

[IK13]

My local Autozone (I have some $ in my autozone card) could not order them ("vendor back ordered") so I looked around online. Strange thing - most places have the Denso SK20HR11 more expensive than the NGK ILFR6T-11 by as much as $3.
Only Advance Auto Parts is the other way around having the Denso's at $8.99 and the NGk's at $9.99 a piece.

Am I missing something here?

 

[Harold1950]

Hey Guys I just checked the "O'Reilly Auto Parts" website, it used to be "Kragen" and they have the NGK 1LFR6T-11 plugs for $6.49 each and they can be bought online. Their part number is #6549. I don't know if they ship or you have to pick them up in the store but it is a savings, I'm lucky, I have some of the stores all over Sacramento. Looks like they ship but you have to pay for it unless you order $75.00 worth of stuff. So I don't know how much you save with shipping.

 

[IK13]

Nope, it's $9.99 and the part # is 4904
Perhaps you were looking at a different part?

 

[Harold1950]

I guess they make those numbers too small for a reason especially for my old eyes...............:jk:

 

[4GLimited]

I replaced mine yesterday with OE Denso's. They were only a few bucks and it took me an hour and this was my 1st time on the 4runner. It's super easy on these motors.

 

[IK13]

Changed mine today to NKG Laser Iridiums.

The old ones were 3 Densos, 3 NGKs, which tells me they were the factory installed ones (I'm currently at 65K, have the truck since 34K). They didn't look very bad either.


Has anyone ever seen 6 of the same kind (Denso or NGK) as factory installed plugs?

 

[KB084RUNNER]

Just did mine at 30k. Super easy to do. You need to remove the 2 black brackets on the drivers side of the engine to make it real easy. Plugs were $23 for Densos at the dealer. They were all gapped at .043 from the box. Made a nice difference in power and smooth idle.

 

[Chef-j]

I Replaced mine@100k for first time. It looked good. :fro:

 

[earthrealm]

any noticeable increase in mpg?

 

[mikejones686]

I bought my denso SK20HR11 from my local Napa. I cant remember the exact price I paid but they were about +/- $1 cheaper than dealer.

NAPA AUTO PARTS

 

[Zufmeister]

Hey guys, somewhat new here and have a question about the 60,000 mile maintenance guide.

I called 2 local Toyota Dealerships and got 2 different answers about what they do at the 60,000 mile service for my 2005 4Runner with a V6 & 4-wheel drive.

One dealership said they'd replace the spark plugs and the other said they might not have to. Something to do with the type of spark plugs that were installed (1GRFE). One dealership quoted me $454 & the other quoted me $504. I'm in Central Illinois and my 4Runner was originally sold in Illinois.

Any idea which dealership is correct? I don't want to take it to a dealership that isn't going to do everything necessary at 60K miles.

Thanks for any advice you guys can provide !

 

[mikejones686]

Hey guys, somewhat new here and have a question about the 60,000 mile maintenance guide.

I called 2 local Toyota Dealerships and got 2 different answers about what they do at the 60,000 mile service for my 2005 4Runner with a V6 & 4-wheel drive.

One dealership said they'd replace the spark plugs and the other said they might not have to. Something to do with the type of spark plugs that were installed (1GRFE). One dealership quoted me $454 & the other quoted me $504. I'm in Central Illinois and my 4Runner was originally sold in Illinois.

Any idea which dealership is correct? I don't want to take it to a dealership that isn't going to do everything necessary at 60K miles.

Thanks for any advice you guys can provide !

If you know how to change your oil and basic mechanics, save yourself some money and do it yourself. Of course you will need some tools but buying tools will still be much cheaper than taking it to dealer. Only takes 1 hour tops. The 1GRFE comes with standard spark plugs(non Iridium) that should be changed at every 30k.

 

[coreyray7]

what size gap do we set spark plugs to? I just bought some automate xp iridium

 

[mikejones686]

what size gap do we set spark plugs to? I just bought some automate xp iridium

Autolite xp iridium? Gap should be .043-.o44. its best to just use what the car came with. Ive heard that iridiums can cause misfires and rough idling if the engine is not designed for iridium. Spark plugs are easy to change so doing them every 30k isn't a big deal or too time consuming. just my opinion.

 

[coreyray7]

Autolite xp iridium? Gap should be .043-.o44. its best to just use what the car came with. Ive heard that iridiums can cause misfires and rough idling if the engine is not designed for iridium. Spark plugs are easy to change so doing them every 30k isn't a big deal or too time consuming. just my opinion.

Ok I appreciate that. Which brand(s) would you use that I could get from a auto parts store? I don't live close enough to a stealer to go buy some and I'm taking a trip this weekend so I can't wait to order online.

 

[mikejones686]

Ok I appreciate that. Which brand(s) would you use that I could get from a auto parts store? I don't live close enough to a stealer to go buy some and I'm taking a trip this weekend so I can't wait to order online.

Typically NGK or Denso come stock on Japanese vehicles. All big box car parts store should carry both of those brands. The 1gr fe comes half with NGK and half Denso. No one really has an idea of why they do this.