Re: Getting Horrible Gas Mileage
Originally Posted by Sleepy4.7
Check for a vacuum leak, possibly O2 sensors need replacing.
Wait maybe the hose that connects to the stock air box from the valve cover? I have no idea what that would have to do with it but It just has a breather filter on it now not having the hot air pulled out through the intake.
99 Grand Cherokee Limited 4.0
PERF:Custom Built CAI, Straight Side Exits Exhaust No Mufflers/ Flowmaster slip on tail / cat delete (Interchangeable)
EXT:Tinted Tails, 10000k HID Lows, 20% Window tint all around,
INT:Custom Blue LED lighting
AUDIO:Kenwood headunit, Polk and Infinity door speakers, Diamond 1200.1 amp 2 kicker L7 12's in a ported box