Jeep Liberty Check Engine Light. I am checking all the hoses and they look good. Jeep check engine light (CEL) comes on when the On-Board Diagnostic (OBD) system detects a problem with the engine, transmission, or evaporative system.
Engine mechanical problem,ignition coil,sparkplug,Fuel pressure,Fuel injector. Which fuse is blowing? check the fuse cover for the location of the fuse in question, let us know what that fuse controls. Tightened it down, and let the jeep cycle on and off a few times.
Question: Will check engine light reset itself with this code?
Scanner was very easy to use and diagnose a check engine light on my daughters Jeep Liberty.
Jeep Liberty Check Engine Light/Misfire Due to Intake Valve Locks/Valves.. all this assumes no coolant loss, if you have loss, tell where., where it leans ground passengers toes (foot well) engine oil pan? milky oil if A/T TRANS, check it for milky too. I am checking all the hoses and they look good. Understanding what makes this light go on or flash can The check engine light is part of your car's on-board diagnostic (OBD) system.