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97 grand Cherokee 4.0 open cylinder circuit #4

325 views 0 replies 1 participant last post by  Mostpulp 
#1 ·
My 97 zj 4.0 first threw a cylinder #4 misfire. I changed the injector, swapped plugs, swapped wires & took it to a shop where the said it was the computer wasn’t giving ground to cylinder 4. Bought a remanded computer & still the same. I’m stuck. Running on 5 cylinders. Any input will be great appreciated
 
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