2012 Hyundai Sonata Fuel/propulsion System Problems

Source: NHTSA · Updated Oct 15, 2026 · 99 complaints analyzed

Owners have filed 99 complaints with NHTSA about fuel/propulsion system problems on the 2012 Hyundai Sonata, 6% of all complaints for this model year. Half of the reports with a mileage happened before 93,500 miles. The words owners use most often: “pressure fuel pump” (6% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Pressure fuel pump: mentioned in 6 of 99 complaints (6%)
  • Gas gauge: mentioned in 5 of 99 complaints (5%)

At what mileage do fuel/propulsion system problems happen?

Based on 58 complaints that reported the odometer reading.

Under 10k miles6 · 10%
10k–25k miles1 · 2%
25k–50k miles7 · 12%
50k–75k miles7 · 12%
75k–100k miles11 · 19%
100k–150k miles23 · 40%
150k+ miles3 · 5%

How serious are the reports?

Of 99 complaints, 1 mention a crash, 8 a fire, 2 an injury.

Hyundai Sonata fuel/propulsion system complaints by model year

Peak: 2013, with 135 complaints
2000: 120002001: 12002: 520022003: 82004: 320042005: 12006: 920062007: 62008: 420082009: 142010: 1120102011: 1052012: 9920122013: 1351352014: 5020142015: 772016: 3320162017: 332018: 3120182019: 122020: 4720202021: 212022: 2220222023: 372024: 120242025: 2

n = 768 complaints · Source: NHTSA

Model yearFuel/propulsion System complaintsShare of that yearMedian miles
2025 Sonata212%—
2024 Sonata12%—
2023 Sonata3743%—
2022 Sonata2223%—
2021 Sonata2116%—
2020 Sonata4726%1,600
2019 Sonata127%63,000
2018 Sonata318%127,961
2017 Sonata334%66,800
2016 Sonata335%70,000
2015 Sonata777%41,477
2014 Sonata507%67,000
2013 Sonata1357%100,000
2012 Sonata996%93,500
2011 Sonata1053%103,000
2010 Sonata113%89,500
2009 Sonata143%82,000
2008 Sonata41%105,000
2007 Sonata61%98,000
2006 Sonata91%90,600
2005 Sonata11%80,000
2004 Sonata31%129,000
2003 Sonata84%138,000
2002 Sonata52%130,000
2001 Sonata10%160,000
2000 Sonata10%133,000

When owners reported it

Peak: 2019, with 15 complaints
2012: 2201222014: 4201442015: 3201532016: 3201632017: 112017112018: 142018142019: 152019152020: 122020122021: 8202182022: 5202252023: 9202392024: 6202462025: 5202552026: 220262

n = 99 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists fuel/propulsion system for the 2012 Hyundai Sonata. A pattern of complaints does not always lead to a recall.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

Diagnosed 07/20/2026 with catastrophic oil ring failure requiring engine replacement. Engine can stall due to oil degradation/absence of causing uncontrolled vehicle handling and fire. This would put myself and others at risk. It has been diagnosed at dealership. Complaint Narrative: The subject…

Received Jul 29, 2026 · NHTSA complaint 11753470

Vehicle: 2012 Hyundai Sonata Incident Date: August 14, 2024 Location: [XXX] Description of the Problem: The vehicle experienced a sudden and catastrophic fire without warning while in normal use. There were no prior warning lights, messages, or symptoms before the incident. The failure appears to…

Received Apr 3, 2026 · NHTSA complaint 11729048

It first started when the engine needed to be replaced, I spent thousands trying to get it repaired, soon after they fixed the engine everything started going wrong ( I truly think they put in a faulty or wrong engine @ Hyundai) the car was overheating, I would take it in they would say it’s one…

Received Jul 27, 2025 · NHTSA complaint 11676453
Hyundai Sonata
Hyundai Sonata 2.5 T-GDI N Line (VIII, Facelift). Representative photo; appearance varies by model year. Photo: © M 93, CC BY-SA 3.0 de, via Wikimedia Commons.

Frequently asked questions

Do all 2012 Hyundai Sonatas have fuel/propulsion system problems?

No. NHTSA has 99 owner complaints about fuel/propulsion system for the 2012 Hyundai Sonata (6% of the 1,558 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the 2012 Hyundai Sonata fuel/propulsion system?

No recall currently lists fuel/propulsion system for this vehicle.

At what mileage do fuel/propulsion system problems start?

The median reported mileage is 93,500 miles: half of the reports with a mileage came before that.

What do owners say about fuel/propulsion system problems on the 2012 Hyundai Sonata?

The most frequent phrase is “pressure fuel pump”, in 6 of 99 complaints, followed by “gas gauge” (5).

Other 2012 Hyundai Sonata problems

See all 2012 Hyundai Sonata problems or fuel/propulsion system problems across all Sonata years.