One problem related to gas recirculation valve (egr valve) has been reported for the 2007 Jeep Grand Cherokee. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 Jeep Grand Cherokee based on all problems reported for the 2007 Grand Cherokee.
Began stalling when stopped or coming to a stop with foot off the accelerator. Engine would start up just by restarting the Jeeps. Months later sometimes you would have to turn the key to off before it would start,. On average it would stall once every 7 to 10 days. No codes, stored or pending during this journey. Replaced the cam sensor. Check hoses for vacuum leak, found none. Replaced the asd relay. Changed from premium to mid grade. Changed to regular grade. Checked air filter and cleaned throttle body with stp cleaner. Added fuel system cleaner to fuel tank. Checked all of the electronic connectors, none loose or damaged. Checked transmission fluid level was fine. Replaced map sensor and position crank sensor. Replace egr valve changed oil and filter for the first time since I purchased the Jeep. Used sae 5w30. With 79,000 miles on the hemi I replaced all sixteen champion 570 with new champion 570. Sprayed each of the 16 boots with electronic cleaner verified the plug gap and torqued the plugs. Sprayed vast amount of stp throttle body cleaner in the tb and stp fuel system cleaner in the gas tank. Still stalling.