Went and had some Denso Iridium plugs put in the other week. While this was being done, it was noticed that there was oil on the #8 plug. I saved the original plugs from the change. I later called up the local dealership and told them what had been found. The first thing I was told was to put the original plugs back in the truck and then bring it in and they would look at it. My questions are as follows:
1. Outside of losing the Denso's to a mechanic, why should I put the original plugs back in?.....
2. Is the person I was talking to on the phone most likely a service writer who is following the book?....
3. Everyone who I have talked to has said that changing spark plugs is not a violation of the warranty. Is this true or is it different from dealer to dealer?...

I have my own opinions, just wondering what you all think...




Steve

 

Put the stock plugs back in. Dont leave yourself open for any kind of warrenty denial. I would also take off any other mods you have on the truck.

 

Gotta agree.Why risk it.

VINNIE

 

No point in taking the chance and costing yourself quite a bill... I say do what the others have mentioned. Go back to stock, and take the badboy in.

-Mike

 

Take all mods(including plugs) off, and bring it in to the dealer.