Check engine light on, low tire pressure, aggressive driving, excessive idling, dirty air filter, brakes dragging,
Hard start, poor fuel mileage,...
i think its bad catalytic
no
This happened on my wife's 2005 Jeep Grand Cherokee. She took it in to Chrysler for diagnostics and they found the blower motor resistor was bad and replaced it. part no# 5143127-AA Resistor Blower - 803502 $11.12 Electrical System Tech labor $149.21 It worked.
One sign of a brake rotor going bad on a Jeep Grand Cherokee is a vibrating steering wheel. Another sign is that you feel your brake pedal pushing back.
The speedometer sensor is probably bad.
Jeep does not have one could be the relay or bad pump.
Bad thermostat
23
is it visually leaking oil from some where? if not it is probaly blowing blue smoke out of the exhaust which means the piston rings in the engine are bad, you need to rebuild your engine or drop in a new one
could be a bad crank sensor but that is very rare to go bad
The voltage regulator on a 1994 Jeep is part of the engine computer. You will need to replace the computer.