engine code 31
08-07-2010, 12:37 AM
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Year: 1997
Model: Grand Cherokee
Engine: 4.0
engine code 31
so i know that code 31 is a Bad evaporator purge solenoid circuit or driver but couldit have something to do with the fuel pump lock ring not be tightened all the way..i kknow it sounds dumb but i havent had time to drop the tank and is it ok to drive with that code
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