Question about 1998 Jeep Cherokee Grand 2WD
My 94jeep grand cherokee started running rough a couple of weeks ago, and they read the code and said it was a sensor regarding the acceleration. so, we replaced it, still running rough and getting worse. when we read the code using the key turn trick, it comes up 12 13 55. can anyone help me find out what this means?
Code 12 is start
13** No difference recognized between the engine MAP reading and the barometric (atmosphereic) pressure reading at start-up
Code 55 is end so 13 is all you need , basically your map isnt working
its an easy fix if thats all , take one off , put new one on
Posted on Dec 11, 2008
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Posted on Jan 02, 2017
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