I have no clue, but I'm about 300 miles away from ending the second ARX cleaning phase, and earlier in the week I put a double dose of FP in my Cherokee. It's running like it was brand new. I thought it was already runnning fine, never had a problem, and it's closing in on 100K.
But it feels more responsive and about as smooth as a 4.0 is going to get. I don't know which product is responsible, or if it's both, but I like it.
But it feels more responsive and about as smooth as a 4.0 is going to get. I don't know which product is responsible, or if it's both, but I like it.