91 Cherokee xj 4.0 automatic original prob was crank no start. So far i've changed coil, distributor & wires, crankshaft position censor, battery, and it ended up being a PCM in which i had refurbished by a reputable company that solely refurbishes pcm's. Now pcm died again changed and it worked 3 mo. So now ITS KILLIN pcm's and throwing code's 11,22 now i replace temp sensor and cleaned almost dam near all the grounds surfaces. It worked, I test drove it for about 4 hrs turning it on/off on/off, "its all good" park it overnight and NOW IT STARTS AN JUST DIES dismissing code 11 and now still throwing code 22 coolant temp sensor again which i just put in 2 days earlier now im STUCK Uggg need help ladies and gentlemen.