inv3ctiv3
NAXJA Forum User
- Location
- Santa Barbara, CA
So I posted a thread a while back about my 2001 XJ dropping MPG after putting on OEM sized General Grabber AT2's. With my old tires I averaged 19-20mpg per tank (this was calculated by filling up, reseting trip, driving and then filling up again and dividing the number of miles driven by the amount of fuel put in).
It dropped to like 16mpg average but now I am averaging 13-14mpg just highway driving it's really annoying because I sold my Land Cruiser to get away from the 10-12mpg life....I've heard O2 sensors can cause MPG drop but don't know of a good way to test them, and I had a check engine light on that I had a mechanic read and he said it was an EVAP code which was most likely a vacuum leak or my gas cap if that helps.
I really need help diagnosing this because it's got to get fixed, I have stopped driving my XJ because of it....
It dropped to like 16mpg average but now I am averaging 13-14mpg just highway driving it's really annoying because I sold my Land Cruiser to get away from the 10-12mpg life....I've heard O2 sensors can cause MPG drop but don't know of a good way to test them, and I had a check engine light on that I had a mechanic read and he said it was an EVAP code which was most likely a vacuum leak or my gas cap if that helps.
I really need help diagnosing this because it's got to get fixed, I have stopped driving my XJ because of it....