Jeep Grand Cherokee stalling issue requiring 30 minutes to warm up after replacing computer and various sensors on Jeep Grand Cherokee

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Jeep Grand Cherokee owners report experiencing stalling issues that require up to 30 minutes to warm up, even after replacing the computer and various sensors. These stalling problems can stem from multiple factors, including a lack of fuel, insufficient airflow, battery failure, transmission issues, and complications with the crankshaft sensor. Additionally, owners have noted that common sensors such as the camshaft position sensor, idle air control, throttle position sensor, PCM, and oxygen sensors may contribute to these stalling issues. It is also crucial to ensure the ASD relay is functioning correctly, as it influences the operation of the coil, injectors, and fuel pump, potentially affecting the O2 sensor as well. Some owners have found that adjusting the plugs with a sharpened dental tool may help resolve the stalling problem. Therefore, it is advisable for owners to thoroughly investigate the functionality of these sensors and components to effectively address the stalling issue in their Jeep Grand Cherokee.

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Jeep Grand Cherokee vehicles with this problem

Average mileage: 144,000 miles
(144,000 - 144,000)

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