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Originally Posted by LANDY96
I read some information on these bosch 4 on Discoweb, and I wanted to run this by yall. I have had these in my 96 Disco for about 10k miles. I had not noticed any problems with them in the first 5k. BUT!!!!, I have noticed my gas milage dropping from almost 18.5 mpg on the highway, to bearly 17mpg on the highway. I also have had a few misfires. I just ran to houston this past weekend, I put injector cleaner in it, with supreme of course  ( that hurt). Still same milage, but no misfires. Anyway, could all this be connected? I have 110k on my baby! Other than this, she drives perfect! |
I am sure some people have had success with these plugs, but from all I have read, there are numerous extremely knowleable people who advise against using them due to a design issue that sometimes surfaces after a few thousand miles. Why risk it, there are LR proven plugs available. I have found with my truck that just because something is better quality and of superior innovation, it doesn't neccesarily translate into a suitable part.
