2012 Jeep Wrangler Engine Problems
NHTSA lists 199 engine complaints for the 2012 Jeep Wrangler, 24% of all complaints filed for the year. Owners reported 11 fires and 5 injuries tied to engine issues, with a median failure mileage of 40,000. No related recalls are listed for this engine problem area.
- Engine complaints
- 199
- 24% of 834
- Crashes reported
- 2
- Fires reported
- 11
- Injuries reported
- 5
- Median mileage
- 40,000 mi
- Related recalls
- 0
Typical engine symptoms owners report
- Owners report engine bay fires starting suddenly while driving, sometimes with loss of power and smoke coming from under the hood.
- Some describe fires occurring shortly after purchase or while the vehicle was parked, with flames or smoke visible near the firewall.
- Several report an oil filter housing flaw that leaks engine oil onto the exhaust, occurring across a wide range of mileage.
- A few mention a burning electrical odor at highway speed with no dealer-confirmed diagnosis of coil failure or misfire.
- Some note engine fires happening even after the vehicle had been parked for an extended time with no prior warning signs.
When 2012 Jeep Wrangler engine complaints were filed
First complaint Feb 10, 2012, latest Jul 7, 2026.
Engine recalls for the 2012 Jeep Wrangler
No safety recalls on record for this model year.
Engine complaints by Wrangler model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How common are engine problems in the 2012 Jeep Wrangler?
- NHTSA lists 199 engine complaints for the 2012 Wrangler, accounting for 24% of the 834 total complaints filed for that model year.
- Is there a recall for the 2012 Jeep Wrangler engine?
- No related recalls are listed in NHTSA data for the engine problem area on the 2012 Jeep Wrangler.
- At what mileage do engine problems typically show up on the 2012 Wrangler?
- The median mileage at failure reported to NHTSA for engine complaints on the 2012 Wrangler is 40,000 miles.
- Do 2012 Jeep Wrangler engine complaints involve fires?
- Yes, NHTSA data tied to engine complaints for the 2012 Wrangler show 11 fires and 5 injuries reported, along with 2 crashes.
- How does 2012 compare to other Wrangler years for engine complaints?
- The 2012 Wrangler's engine complaints made up 24% of that year's total complaints, lower than 2014 at 53% and 2024 at 61%, but higher than 2010 at 10%.