1998 Jeep Cherokee drop in mpg

1998 JEEP CHEROKEE
Avatar
KMZWOLVES04
  • MEMBER
  • 1 POST
1998 Jeep Cherokee 6 cyl Four Wheel Drive Automatic

My 98 jeep grand cherokee dropped down to 6miles per gallon. I have done a complete tuneup, and it ran fine for about 3mths till the major drop in milage. What would cause such a drop?
Dec 16, 2009 at 1:26 AM
Advertisement
Avatar
ZACKSCHULZ
  • MEMBER
  • 3 POSTS
this could be the gear ratios in the axles or even the fuel pump dumping fuel into the carb.
i not either of them the computer.
Dec 21, 2009 at 9:43 PM