Leave the radiator cap off until your jeep warms up and add coolant as the air pockets bubble out. Make sure your jeep doesn’t overheat while you are doing this, and if your radiator starts to overflow, stop the engine and let it cool down before starting it again. The symptoms you described do sound like you have a blown head gasket. DECEMBER 2016 -- Chrysler (FCA US LLC) is recalling certain model year 2016 Dodge Journey, Jeep Compass, and Jeep Patriot vehicles manufactured May 9, 2016, to July 15, 2016. The crankshaft or camshaft sensor may only work intermittently, causing the engine to stall. If the engine stalls, there is an increased the risk of a crash.. Predecessor. Jeep Wagoneer/Grand Wagoneer (Grand Cherokee) The Jeep Grand Cherokee is a range of mid-size SUVs produced by the American manufacturer Jeep. [2] At its introduction, while most SUVs were still manufactured with body-on-frame construction, the Grand Cherokee has used a unibody chassis from the start. [3]. All Jeep models are known for their performance both on and off the pavement, and the 2021 Jeep Grand Cherokee is no exception. Off-roaders will be happy to know that the Grand Cherokee also comes with available 4x4 capabilities and the Selec-Terrain Traction Management System. My 98 jeep grand cherokee limited stalls while driving or at low idle speed also has stalled in reverse. i have changed the ignition sensor and the crank sensor. and it still stalls. need help. Take the idle air control valve and the EGR valve ogg and clean the carbon out using a non-chlronated brake cleaner. The brake boosters on some Jeeps are known to develop internal vacuum leaks, which can cause your vehicle to stall at idle. Brake Booster. To troubleshoot the brake booster, disconnect the. Most commonly found in Ford Mustangs spanning '86 to '92, the 302ci engine can be a sound swap, packing 225hp and 300 lb-ft of torque right out of the gate. An aftermarket rear-sump oil pan will be needed, along with an external fuel regulator and pump, but the cars stock harness and computer are easy to work with. Driving Line.