IHAVE A XJ8L STRUGGLED WITH MISFIRES FOR WEEKS AFTER spark plug change!! make this short andsweet ,,,i had blow back coming thru breather tube,,ccv blow back,,i purchased a oil seperater hooked it up in between ccz and manifold,,no more oil getting in my throttle body and causing misfire,,also used engine restorer v8 and engine doesnt wanna stall when itake off oil cap meaning less upper engine pressure solved...engine wear definnite tho

 

Welcome to the forum JaguarJae,

I've moved your question from General Tech Help to X350 forum. Members here with the same model will be able to help.

When you get a minute, please follow this link New Member Area - Intro a MUST - Jaguar Forums - Jaguar Enthusiasts Forum to the New Member Area - Intro a MUST forum and post some info about yourself and your vehicle for all members to see.

In return you'll get a proper welcome and some useful advice about posting to the forum.

Graham

 

how many miles are on your XJ8L?

 

welcome JaguarJae....I'm laughing a bit here...you might want to change your picture, with all the british forum members here you are giving them 'the v's'.
i.e. the middle finger to Americans.


Ross

 

I have 109,000! miles