K-Dubb

Today I decided to check the gap on my plugs. They were all .30 except one which was around .32. I set it to .30. The only other issue I had was that I broke off one of the little red clips to the plug that plugs into one of the coils. Not a big deal as it still locks on snug. After going for a test drive jut to make sure everything was good, and i found that anything other than normal acceleration would cause some serious studdering and misfire. Now the truck was fine before this, so obviously I did something. I was very careful with all the plugs and coils. The truck is not throwing any codes. I also double checked that everything was plugged in snug.

What did I do? Does this sound like a bad coil? Does this sound like a bad connection between coil and plug? i dont see how that could be since they are all screwed down. Guess I could buy a new coil and replace each one and test to see if it goes away but I still can't believe it didn't throw a code.

engineermike

Sounds like you cracked a ceramic insulator.

MadocHandyman

You may have cracked one of the plugs. There's been lots of that going on around here, lol. Even for some that were careful.

MadocHandyman

Damn, beat me by a minute!

MadocHandyman

Also, check out the "Eco spark plug gap" thread. Lots of good info. Some other plug options as well.

K-Dubb

Thanks. I assume you can't visually see this? What ft/lbs should the plugs be?

MadocHandyman

You'll have to pull them again and look.
It's only 11 ftlb or 133 inlb if I remember correctly. That's all in the above mentioned thread as well.

K-Dubb

I do remember reading that now that you say it. Thank you. I will let everyone know the outcome.

K-Dubb

3 cracked plugs! Replaced, all fixed thank you so much!

MadocHandyman

3?! Damn!
Let us know how it feels after a good drive.