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Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (3.0L Diesel - DTCS P24F3-00 To U3017-00) >> DTC Troubleshooting >> P258B-00-Electric Vacuum Pump Performance >> Set Condition

Set Condition

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Minimum Manifold Absolute Pressure (MAP) reading is 15 kPa (4.4 in Hg). EVP minimum vacuum is -35 kPa (-10 in Hg) and the EVP cannot create 3 kPa (1.0 in Hg) or the system cannot increase the vacuum from -35 kPa (-10 in Hg) to -38 kPa (-11 in Hg). One trip fault. Three good trips to turn off the MIL. If the vehicle is equipped with the stop/start feature, the system will be disabled when this DTC is active.