Question about 2002 Jeep Grand Cherokee
Hi this is telling you , that you have a fault code stored in the ecm, something has gone wrong with a component on your vehicle, it could be serious, or could be simple but you really should get it checked out in case you do some damage to other things, if it still runs ok, with no problems then normally its the H02 oxygen sensor either the one on the exhaust manifold or the one just past the catalytic converter under the vehicle, but you are best getting the error code read and finding out what it really is...hope this helps
Posted on Oct 03, 2010
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Posted on Jan 02, 2017
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