2011 Hyundai Sonata: fuel pump failure

Filed Jul 21, 2026 · Airbags, Fuel system · CA

I purchased fgis car from a used car dealership, for over $6,000.00 , which is not a ton of money, but plenty enough to not have instant issues. Since my purchase in june 30, 2026, i have already had all of these issues occur. There is white smoke coming from the left tail pipe, it is sluggish when you push on the gas, there is black soot constantly on my rims that is extreamly hard to remove, the high pressure fuel pump jas failed, I can tell because the oil is higher then it was when o had the oil freshly changed, and it smells of gasoline.inside the oil. The exhaust has stron smell of gasoline. My steering wheel has a loud clinking noise everytime I go over a speed bump on pull into my driveway. Just so many items consistently needing repair or replacement, even though I just had the fuel system cleaned, the oil changed, and filters, and.oil filter too. I checked to see if any of my issues are covered by a recall warranty, because they all are recalled items for my car year, make, and model, but apparently Hyunfai is only covering these dangerous recall items for ul to 10 years. These items shkuld be covered longer, because my carfax states that at least one of these recalled items had already been changed in 2018, and is already broken again!! Hyundai should have covered these extreamly high wear out car parts for a longer period of time, or for the life of the vehicle, if every 5 years your replacing a $1000.00 part, not including labor, like the (HPFP) I was quoted by auto zone for over that price point!! "Ridiculous"! Another item is the air bag cover on the driver side windows area, of the body frame it is loose and keeps un-clipping, i am afraid that it is going to possibly just go off and kill me or something!! Very disappointed right now, that i cannot get any of these recalled items replaced by the manufacturer!!

Filed Apr 8, 2026 · Electrical, Fuel system · 167,000 miles · NC

The contact owns a 2011 Hyundai Sonata. The contact stated that the vehicle stalled while driving at various speeds on four occasions. During the first occasion, the vehicle was towed to the residence. The vehicle was then towed to an independent mechanic, where it was diagnosed, and it was determined that the low-pressure fuel pump needed to be replaced. The vehicle was repaired, but approximately a year later, the failure recurred. The vehicle was then towed to an independent mechanic, where it was diagnosed that the high-pressure fuel pump needed to be replaced. The vehicle was not repaired, and the contact was advised to contact a dealer for assistance. The vehicle was then towed to a dealer, where it was diagnosed and it was determined that the high-pressure fuel pump and electrical wiring harness needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 167,000.

Filed Sep 17, 2025 · Fuel system · CA

1. The car began to randomly stall and stop running. This happened while driving and it was extremely dangerous. Typically, the engine would restart after at least waiting 15 minutes. Any attempt to start the car before that time would fail. 2. When the stalls happened, the car acted as if it had run out of gas. The engine would simply stop running WITHOUT WARNING, at intersections, on city streets, and on the freeway at high speed. It did not matter how full the gas tank was. 3. My brother and I diagnosed the problem as intermittent loss of fuel pressure. 4. My brother and I replaced the FACTORY fuel pump, and to hour horror, when we unplugged the electrical connection/plug, one of the pins from the fuel pump came out with the plug/connector. 5. We inspected the fuel pump and discovered that parts of the electrical plug INSIDE THE FUEL TANK had become burned and melted. See Image SANY0135.JPG === This is a SAFETY DEFECT - either the internal fuel pump electrical connections were faulty from the factory or the problem developed over time. There have been other recalls for this model of car for random engine stalls but this is a NEW and DIFFERENT cause. A dealer with a relatively inexpensive Infrared camera could likely spot this problem with minimal vehicle disassembly. There was clearly a LOT of heat concentrated in the area of the electrical connection to the fuel pump. We hope this report triggers a recall and prevents extremely dangerous random loss of engine power events, fires, or worse. Please recall all the vehicles that used that fuel pump for inspection before there is a disaster.

Filed Mar 25, 2024 · Engine, Fuel system · 150,000 miles · OK

The contact owns a 2011 Hyundai Sonata. The contact was informed of the federal safety agency Campaign Number: 15V568000 (Engine), and the vehicle was taken to the dealer for the recall repair; however, the dealer informed the contact that the knock sensor detection system (KSDS) software update and the recall repair had already been performed on the vehicle. The contact stated that a failure related to the recall recurred while driving. The contact stated while driving approximately 60 MPH, the vehicle stalled. No warning light was illuminated. The contact was able to get the vehicle to the shoulder of the highway. The vehicle was towed to the residence, where the contact was able to drive the vehicle again; however, the failure recurred several times. The vehicle was taken to the dealer, where it was diagnosed with a fuel pump failure, and an oil leak. The vehicle was not repaired. The manufacturer was made aware of the failure and a case was opened. The failure mileage was approximately 150,000.

Filed Mar 19, 2024 · Fuel system · 160,000 miles · CA

The contact owns a 2011 Hyundai Sonata. The contact stated that the vehicle failed to start, and the low fuel light was illuminated. The contact stated that the alternator was replaced prior to the failure. The vehicle was refueled by a tow truck driver. The contact stated that after several days, the vehicle drove as needed; however, the failure reoccurred at a drive-thru. The vehicle was towed to a nearby hotel. The low fuel warning light was illuminated. The vehicle was then towed to the dealer, where it was purchased. The dealer diagnosed the vehicle and determined that the fuel pump had failed and needed to be replaced. The vehicle was repaired; however, the failure reoccurred a week later. The contact stated that while driving at approximately 40 MPH, there was fuel leaking out of the fuel pump gasket. The vehicle was taken back to the dealer where the fuel pump was replaced. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 160,000.

Filed Jun 20, 2023 · Fuel system · CA

1) Fuel gauge readings are erratic, empty one minute then full the next then back to empty or in between regardless on actual fuel level. 2) Safety at risk if fuel pump malfunctions and gas gauge readings erratic. 3) Problem has been noted in numerous blogs, internet sites. 4) No open recalls yet this is a serious problem. 5) The only warning lights are fuel gauge flashes empty, but then goes away then comes back. 6) Cause per blogs is defective fuel sending gauge on fuel pump. Mileage at approximately 128k recurring issue, fuel pump failure possibly at high speeds could cause deaths if vehicle out of drivers control.

Filed Sep 4, 2021 · Fuel system · CA

I took my 2011 Hyundai Sonata 2.0L Turbo to my Hyundai Dealership and had several overdue recalls done, one being a complete engine replacement. Upon receiving vehicle again, I then took vehicle to Smog Check Center (California resident) and the vehicle failed in one category: Liquid Fuel Leak Check. I have read on the federal safety agency notices and other sites that certain 2011-2014 Sonata 2.0L Turbo and 2.4L engines are being recalled for this very issue: confirming high pressure fuel pipe was connected by Hyundai dealer to high-pressure fuel pump outlet during engine replacement (Recall 180). My VIN search states I have 0 open recalls though my vehicle appears to suffer from this exact issue.

Filed Jul 23, 2021 · CA

The contact called on behalf of her son who owns a 2011 Hyundai Sonata. The contact stated that the vehicle would intermittently stall and shut-off with the check engine warning light illuminated. Due to the failure, the contact had the vehicle towed on multiple occasions to an independent mechanic who topped off the fluids however, the mechanic was unable to determine the cause of the failure. The vehicle was then taken to a dealer and the contact was informed that the fuel pump needed to be replaced. Upon investigation, the contact linked the failure to the federal safety agency campaign number: 18V934000 (Engine, Fuel System, Gasoline) however, the Vin was not included. The contact also stated that the vehicle would run hot as the temperature gauge would indicate a rise in engine temperature. Additionally, the contact stated the vehicle failed to start up after several attempts. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was unknown.

Filed May 12, 2021 · Engine, Fuel system · 120,000 miles · TX

Vehicle stalled while driving on the highway, in motion and on city streets. And will not restart. On 11/10/20, hyundai dealer inspection found engine seized causing a no start condition. Pa approved engine replacement under campaign t3g. Performed tsb 17-em-001 and replaced both starter and intake manifold due to having debris and starter intermittly not engaging 8p1326ko 8.3 replaced engine under campaign t3g per pa. An in depth multi point inspection promoting safety and reliability minimizing mechanical failure was performed. On 5/6/2021 the engine failed again, dealership in norman ok finally serviced the vehicle on 5/11/2021 under engine recall warranty after multiple escalation complaints claiming to have passed bearing clearance test, computer updates and replaced engine knock sensor. Vehicle engine failed again 10 miles from dealership who refuses to inspect engine warranty problems without an open recall: the federal safety agency campaign number 18v934000 affects engine, fuel system, gas, pe19003/pe198003 affects engine, electrical system, fuel system, gas, unknown, rq17004 affects scope and timeliness, 18v934000 affects high pressure fuel pipe may leak from engine, fuel system, gas, 15v‑568/17v‑226 affects gas direct injection engines, the high pressure fuel pipe that connects to the fuel pump may be damaged, misaligned, or improperly torqued during engine replacement procedure. Dealer refuses to inspect instead keeps guessing soliciting service repairs to replace fuel pumps and belts out of pocket ranging costs from $500 to $1200 while college student is stranded 400 miles away from home.

Filed Jun 5, 2020 · Fuel system · 156,470 miles · SC

The hyundai sonata 2011 fuel pump failed and the car stopped in the middle of the road. Putting me in danger of an accident. The engine had been replaced, and other sonatas have reported problems with the fuel pump. The cost of repair was $605 for the pump and $300 for the labor. This pump is in the fuel tank and is very dangerous. It should be recalled just like the ones in the 2013 & 2014. I want a refund of my money to fix this dangerous problem.

Filed Mar 29, 2020 · Fuel system · 151,000 miles · PA

I had problems with my car took it to a shop I was told had to replace my fuel pump an I did the problem never seem to have been fix after that took it my dealer an they had my car for a month told me it was a recall on it but they didn't fix the problem

Filed Feb 5, 2020 · Engine · 85,000 miles · MD

Tl* the contact owns a 2011 hyundai sonata. The contact stated that after multiple attempts to start the vehicle, the vehicle failed to start. The contact stated that an unknown warning light had appeared while attempting to start the vehicle. The contact had the vehicle towed to an independent mechanic who diagnosed the vehicle with a defective fuel pump. The contact spoke with len stoler hyundai 11279 reisterstown rd, owings mills, md 21117 who informed her that the vehicle was not subjected to a recall. The manufacturer had not been notified of the failure. The vehicle had not been repaired. The failure mileage was approximately 85,000.