Engine complaints and recalls from NHTSA
Summary
The 2018 Jeep Wrangler has 38 NHTSA engine complaints and 0 engine-related recalls.
38
Complaints
0
Recalls
1
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 9, 2026
| Date ↓ | Component | Summary |
|---|---|---|
| Dec 27, 2025 | ENGINE | On January 14, 2026, my 2018 Jeep Wrangler JK Sport (3.6L) with approximately 134,099 miles was insp... |
| Oct 17, 2025 | ENGINE | Started having misfire issues. Replaced spark plugs. problem continued. started having to add ant... |
| Oct 15, 2025 | ENGINE | The Check Engine light illuminated and diagnostic code P219A was recorded (Bank 1 Air/Fuel Ratio Imb... |
| Sep 29, 2025 | ENGINE | What component or system failed or malfunctioned, and is it available for inspection upon request? T... |
| Sep 16, 2025 | ENGINE | Left headgasket blew at 51k miles / Sept 2024. Second headgasket (waiting on confirmation of left or... |
| Jul 10, 2025 | ENGINE | The engine blew while I was driving on the highway without warning. Several repairs since January an... |
| Jun 23, 2025 | ENGINE | Vehicle: 2018 Jeep Wrangler Sport Unlimited VIN: [XXX] Mileage at failure: 40,631 miles Issue Date:... |
| Jun 2, 2025 | ENGINE | My Jeep began misfiring, giving a P0304 error code via the ODB. On June 2nd 2025, we took it to the... |
| Apr 1, 2025 | ENGINE | The 3.6L Pentastar engine has a know engine problem with the Cam, valves, lifters. I am a lucky enou... |
| Jan 13, 2025 | ENGINE | the vehicle was taken to the dealer because the check engine light was on. we were told the oil coo... |
| Jan 1, 2025 | ENGINE | The oil filter housing/oil cooler is made of plastic and every Jeep Wrangler ends up leaking because... |
| Dec 31, 2024 | ENGINE | The contact owns a 2018 Jeep Wrangler. The contact stated that while driving at an undisclosed speed... |
| Oct 9, 2024 | ENGINE | My vehicle’s cooling system continues to develop leaks in the antifreeze line/reservoir. I’ve had it... |
| Aug 31, 2024 | ENGINE | The 3.6l v6 (mostly in the 2014-2020 wrangler) has a known issue for cylinder 4, 5 and 6 misfires, w... |
| May 15, 2024 | ENGINE,ENGINE AND ENGINE COOLING | The contact owns a 2018 Jeep Wrangler. The contact stated that while his daughter was driving at an ... |
| Apr 29, 2024 | ENGINE,FORWARD COLLISION AVOIDANCE | Clutch - The Sansone Dealer located in Avenel, NJ has informed me that they did not have the part at... |
| Oct 26, 2023 | ENGINE | The contact owns a 2018 Jeep Wrangler. The contact stated that while driving at an undisclosed speed... |
| Sep 11, 2023 | ENGINE | I have put thousands of dollars already into the motor because my Jeep continually overheats and loo... |
| Aug 8, 2023 | ENGINE | Told I need a new engine, never over did anything. An, used only as a daily driver. No extreme use. |
| Jul 24, 2023 | ENGINE | Head gasket failed due to a manufacturing flaw in the engine block. Coolant leaked internally from t... |