Vacuum leak, such as from a bad IMG, would not manifest symptoms until closed loop operation. In open loop the computer runs off of a pre program, ignoring input from sensors.
95 Trooper LS - 4" lift, 35" old-style MTR tires, 5.38 gears, ARB lockers
Indy4x Revolution 3.07:1 low range gears, Indy4x HD tie rods, Hatfield sway bar disconnects, Calmini HD sway bars, Darlington diff drop, OME 929 + 1" poly spacers, Indy4x HD rear axle links, ARB bullbar, custom rear bumper, sliders, Optima yellow top, ARB mini-compressor, Indy4x air lines, Warn M8000 winch, Blue Sea 6006 winch cutoff switch, Yaesu FT-1900R 2-meter ham radio, Comet SS-680SB 1/2 wave antenna, Cobra 18WXST CB radio, Firestik II antenna, generic 6" driving lights, even more generic fog lights, Dave's custom 1" shifter extension
I think that all good, right thinking people in this country are sick and tired of being told that all good, right thinking people in this country are fed up with being told that all good, right thinking people in this country are fed up with being sick and tired. I'm certainly not, and I'm sick and tired of being told that I am.