The four-cylinder engine used in the Jeep Wrangler and Grand Cherokee 4xe hybrids is at the center of a recall covering nearly 113,000 vehicles, per Stellantis and a National Highway Traffic Safety Administration bulletin. The risk is a loss of power and potentially even a fire in the engine bay.
The culprit, per the NHTSA report, is sand contamination during the block casting process, which left debris in engines. What’s especially glaring is that it seems Stellantis was manufacturing engines with this problem for nearly two years, as the report states that “the suspect vehicle population began on July 19, 2023, when production of Jeep Grand Cherokee PHEVs with suspect engines began, and concluded on March 3, 2025, when production of Jeep Grand Cherokee PHEVs with suspect engines ended.” It’s a similar story for Wrangler plug-in hybrids, though those covered an even wider production span of June 7, 2023, to March 4, 2025.
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