what kind of sparkplugs

O_Dogg · **Posted:** Mon Nov 20, 2006 8:20 pm

i got some autolite coppers, should i have gottten something better? like bosch's or even ngk r's?

is it neccesary to run a higher end plug?

we also pulled a code with a scanner it was misfire number 5 cyl. so i figure change the plugs right? i have almost 34k on the 3.7

raceinfan · **Posted:** Mon Nov 20, 2006 8:26 pm

I'd just stick to what the dealer has to be safe but that's my opinion why change if it works proparly

O_Dogg · **Posted:** Mon Nov 20, 2006 8:29 pm

cause my kj doesnt like to start.

Jeepjeepster · **Posted:** Mon Nov 20, 2006 8:38 pm

Misfire can mean ALOT of things. From a bad spark plug, to a bad valve spring. I do not believe the springs would be bad at 34k. Id wait till around 100k then the springs should pop.. :lol:

O_Dogg · **Posted:** Mon Nov 20, 2006 8:42 pm

yeah true with my luck it would

we were thinking the starting issue could be a few other things as well cam sensor, crank sensor, dirty fuel, wet fuel, but i figure change the plugs since i have no idea if it was ever done (only owned for 2 months)

adamkrz · **Posted:** Mon Nov 20, 2006 9:56 pm

Stay with the original ngk's,The fancy plugs will cause problems from my own trials with them,Remember they should be replaced every 30k,Mine were well worn when I changed them..

JJsTJ · **Posted:** Mon Nov 20, 2006 10:16 pm

Fresh NGK's every 30-35K miles for a Happy KJ.

O_Dogg · **Posted:** Mon Nov 20, 2006 11:41 pm

alright looks like ill be returning the autolites tomorrow for the reg. ngk non resistors

dkcase · **Posted:** Tue Nov 21, 2006 8:31 am

O_Dogg wrote:

alright looks like ill be returning the autolites tomorrow for the reg. ngk non resistors

I wouldn't bother. I run the Autolites. I change them at 1 year.

warblade666 · **Posted:** Tue Nov 21, 2006 9:32 am

Stock plug is an NGK platinum, and they are resister type plugs. At least that's what my '04 calls for.

desertkj · **Joined:** Mon Jan 30, 2006 8:24 pm **Posts:** 677

I have Bosch Platinums in mine and have been thrilled. THey need to get replaced though (40K on them now

).

detroit_doc · **Posted:** Tue Nov 21, 2006 12:05 pm

If you still get a misfire on 5 try swapping the coil pack to a different position and see if the misfire moves.

corwyyn · **Posted:** Tue Nov 21, 2006 2:24 pm

detroit_doc wrote:

If you still get a misfire on 5 try swapping the coil pack to a different position and see if the misfire moves.

Good idea, see if it is a bad coil. I never woulda thunk of that one!

O_Dogg · **Posted:** Tue Nov 21, 2006 11:03 pm

yeah ill have to try that as well thanks

what kind of sparkplugs

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