95 YJ 4.0 with engine code 27
Ok so I took my jeep off roadin in dubai. The it was An amazing experience.
But when I return and went to go get the jeep washed. All the car washes are done by someone else. Well I left the jeep running and when I came over I seem the guy washing the motor, I told him to stop an not to do that, well the jeep at some point died. When he was finished I tried cranking it up and it wouldn't. I waited about an hour then it fired up but after that I manually read the codes and the code I'm getting is 27, it runs but it's running really rough. Plugs and wires along with rotor cap and button replaced only a Month ago before this happen. I've tried to pull each connection for each injector while running and you can tell it changes when disconnecting each one. Now I'm stuck wondering where to look for the problem.
Any jeep experts out there with advice.