2019 Hyundai Santa Fe: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 75 owner complaints for the 2019 Hyundai Santa Fe that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11766397 (filed 09/23/2026): “On 03/26/2026, my 2019 hyundai santa fe received hyundai service campaign 9c2 (tsb 26-01-013h-1), which included an engine control module (ecm) software update for theta ii emissions improvement. the vehicle did not have the following drivability problem before this software update. immediately aft…”
- NHTSA complaint ODI #11765740 (filed 09/21/2026): “The vehicle experienced a sudden, intermittent engine stall while driving, specifically when slowing down or coasting to a stop in live traffic. when the engine dies, the vehicle immediately loses engine power, power steering, and power braking assist, creating an extreme safety hazard. after stalli…”
- NHTSA complaint ODI #11764874 (filed 09/17/2026): “The car started having problems immediately after replacement with a new battery. the issue with the isg (idle stop and go system) started appearing. when the auto stop indicator turns green, the car stalls which puts my life at risk. i have spoken to a number of mechanics and i am not getting a sa…”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
Page last updated .