I have a 99 xj and for a few months now it has been burning up spark plugs in cyl #2. I cant figure out the issue. I have given it a tune up, done a compression test, used a camera to look in the cylinder (didnt see any cracks), and swaped injectors. Any suggestions on whats going on?

 

What do you mean by burning.the plugs up? How do they look when you pull them out?

 

Agreed. More information needed on what the plugs look like.

What brand plugs are you using? Champion copper plugs are the best for your 99.

 

Had a problem similar. turned out to be an issue with the water ports.

 

Its burning the electrode out of the plug. When ever i take them out the plug looks chard. I have gone through 3 or 4 since this started. And im pretty sure iv been using champion.

 

wich would you say best describes yours

 

Sounds like that cylinder is burning oil. Possibly through the valve guides.

 

I would say it ether looks like high speed glazing or carbon deposits.

Thanks 98fourdoor and adkodak, ill check into both of those issues..

 

have you had it checked for any codes even if the light is not on ????

 

Ya, I have the obd code reader 2 and the light comes on but only shows the misfire..

 

injector?

 

very possible injector ever have them cleaned

 

Ya iv cleaned them and i even switched injector #1 and #2 but it still misfired in cyl #2.

 

Anyway you can get us a picture of how the plug looks?

 

best i can do..