Question about 1997 Jeep Cherokee
My jeep starts surging then dies. electric cooling fan comes on, two fuses blow under the hood. One stops the fuel pump the other I have no idea. replace the fuse and it will run for about 50miles then the same thing. I had the downstream o2 sensor wires get snagged and ripped off right before this started. could this have messed up the ecm?
Make sure that the o2 sensor didnt get damage,check connections and wire,it sounds to me like the o2 sensor isnt reading so your computer went into a closed loop,which is a safety feature which feeds your car more gas than it can burn because its not getting a reading from the 02 sensor,try taking the battery terminal off to reset the computer after you check the 02 sensor,remember you can go to a autozone for a free computer check,yes free just ask
Posted on Jul 07, 2008
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Posted on Jan 02, 2017
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