I drove my 03 to Florida from Las Vegas. It did great. One small hiccup that didn't show up until I was about three hours from the end of the trip. I'll get to that later. Total mileage for the trip was 2600mi. Total fuel 134.84 gallons. Average MPG 19.282 The first part of the trip I set the cruise control to 75mph, the second half to 80mph. That first tank killed my average, it was all city driving, getting out of vegas for the most part.
The issue I mentioned earlier was a tapping noise that was mostly only present at idle and if you blipped the throttle it would get really loud then subside. I didn't notice any tapping at highway speeds. I got on the forum here and searched a bit. Mostly doom and gloom stuff like rod bearings or lifters. Someone had mentioned pulling the serpentine belt off, and that narrowed it down quite a bit, because it went away completely. I'm almost positive it is the AC clutch. When the AC is on and the clutch is engaged it is the worst, when you turn off the AC it (the tapping noise) almost stops. I still can't rule out it being the idler pulley set-up though.
Other than the small issue, I have really grown to love this little jeep.
Starting Mileage 150211
150460mi 15.464gal 16.102mpg
150606mi 7.316 gal 19.956mpg
150812mi 10.586gal 19.46mpg
150940mi 6.344 gal 20.175mpg
151196mi 11.73 gal 21.825mpg
151353mi 7.389 gal 21.249mpg
151627mi 14.054gal 19.497mpg
151852mi 11.024gal 20.41mpg
152105mi 14.119gal 17.919mpg
152279mi 8.818 gal 19.733mpg
152555mi 14.197gal 19.44mpg
152811mi 13.799gal 18.552mpg
The issue I mentioned earlier was a tapping noise that was mostly only present at idle and if you blipped the throttle it would get really loud then subside. I didn't notice any tapping at highway speeds. I got on the forum here and searched a bit. Mostly doom and gloom stuff like rod bearings or lifters. Someone had mentioned pulling the serpentine belt off, and that narrowed it down quite a bit, because it went away completely. I'm almost positive it is the AC clutch. When the AC is on and the clutch is engaged it is the worst, when you turn off the AC it (the tapping noise) almost stops. I still can't rule out it being the idler pulley set-up though.
Other than the small issue, I have really grown to love this little jeep.
Starting Mileage 150211
150460mi 15.464gal 16.102mpg
150606mi 7.316 gal 19.956mpg
150812mi 10.586gal 19.46mpg
150940mi 6.344 gal 20.175mpg
151196mi 11.73 gal 21.825mpg
151353mi 7.389 gal 21.249mpg
151627mi 14.054gal 19.497mpg
151852mi 11.024gal 20.41mpg
152105mi 14.119gal 17.919mpg
152279mi 8.818 gal 19.733mpg
152555mi 14.197gal 19.44mpg
152811mi 13.799gal 18.552mpg