debdurbin4
New member
my 1991 jeep cherokee with the 4.0 straight 6 wont start. i have replaced plugs,wires,distributor cap and rotor bug. it will turn over but won't fire. i took out a sparkplug and rested it against the block to see if it would spark and it did. im lost please help. i have bn told that it could be a sensor but i have no clue what it has so please give me advise.