Engine light
11-15-2012, 02:18 PM
#2
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Year: 1996
Model: Cherokee
Engine: 4.0
Definition Evap leak detection pump pressure switch condition Explanation ECM detected the leak detection pump swith did change after solenoid was energized Probable Cause 1.-Leakdetection pump defective 2.-Open or shorted circuit condition 3. Solenoid defective
11-15-2012, 02:31 PM
#3
CF Veteran
That's an error code from your leak detection pump. They're not serviceable- your only option is to replace it. Before you do though, check the vac lines running from the back of your intake manifold. You probably have a vacuum leak somewhere.
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