Gasoline Fuel System Problems of Hyundai Tucson

The contact owns a 2017 Hyundai Tucson. The contact stated that the vehicle was consuming an excessive amount of engine oil. There was an abnormal knocking sound coming from the vehicle. There was no warning light illuminated. Due to the failure, the vehicle was towed to a dealer, and the excessive oil consumption was confirmed. The contact was informed that the vehicle was included in NHTSA campaign number: 21v727000 (engine), and the engine was replaced. The vehicle was repaired, and a family member retrieved the vehicle and drove it to the residence without failure. Several days later, the family member started the vehicle, and fuel started pouring out from underneath the vehicle. Due to the failure, the vehicle was towed back to the dealer and was diagnosed the vehicle with an o-ring failure inside the fuel injectors. The dealer repaired the o-ring, and the contact picked up the vehicle from the dealer. Soon after retrieving the vehicle, fuel started pouring out from under the vehicle at start-up. The vehicle was towed back to the dealer and remained with the dealer. The manufacturer was notified of the failure, and a claim was filed. The vehicle was not repaired. The failure mileage was approximately 68,000.

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The contact's wife owns a 2022 Hyundai Tucson. The contact stated that his wife reported that the vehicle shuddered significantly and failed to exceed 30 mph while driving. The check engine warning light was illuminated. The vehicle was taken to the dealer, where it was diagnosed that the fuel injectors were leaking, and the dealer determined that the fuel injectors needed to be replaced. The dealer informed the contact that the manufacturer had redesigned the fuel injectors due to the known failure. The dealer informed the contact that the repair could not be covered under the extended warranty because the vehicle had exceeded the required mileage. The contact was informed that parts needed to be ordered to repair the vehicle. The vehicle had not yet been repaired. The contact related the failure to TSB number: 22-FL-002h. The manufacturer was notified of the failure, and a case was filed; however, no assistance had been provided. The failure mileage was approximately 65,000.

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The contact owns a 2026 Hyundai Tucson. The contact stated that while driving at various speeds, the contact became aware that the fuel economy was poor and failed to meet the standard. The contact stated that while tracking the fuel consumption, the contact discovered that the vehicle's fuel economy was 26 mpg instead of 36 mpg. The defect was brought to the attention of the dealer, and the vehicle was test driven; however, the dealer stated that the vehicle was performing as designed and that there were no issues found with the fuel consumption. The contact was informed that the issue might be related to the way the vehicle was driven, and the contact disputed the claim. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 500.

The contact owns a 2015 Hyundai Tucson. The contact stated that while the vehicle was idling at a stop light, the engine shut off. After restarting, the vehicle would operate as normal. The contact indicated that the failure was intermittent, and no warning messages were displayed. Additionally, the contact observed that the vehicle was consuming fuel at a quick pace. The vehicle was taken to an independent mechanic who replaced the fuel pump, but the failure persisted. The vehicle was later taken to the local dealer but was not repaired. The manufacturer was not yet notified of the failure. The failure mileage was 90,000.

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The contact’s daughter owns a 2016 Hyundai Tucson. The contact stated that his daughter took the vehicle for routine maintenance for an oil change however, the contact’s daughter was informed that gasoline was seen in the oil. No warning light was illuminated. The contact then stated that he took the vehicle to the dealer where it was diagnosed that no fuel was seen in the oil. The contact then stated that he took the vehicle to an independent mechanic where it was diagnosed that gasoline was in the oil. The contact was concerned for his daughter’s safety while driving the vehicle. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 89,000. The VIN was not included.

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The contact owns a 2017 Hyundai Tucson. The contact stated while his fiance was driving 40 mph, she started to smell fuel fumes inside of the cab of the vehicle and stated to get a headache/nauseous. The driver was able to park at a near gas station and waited for the contact drive to his location, to verify the fuel cap. The contact stated no failure was found and secured the fuel cap. The contact followed the drive to their residence. The driver was able to continue driving at 20 mph but the vehicle began to jerk and the check engine warning light was illuminated. The driver stated she saw black smoke exiting from the rear of the vehicle. The driver was able to park on the side of the road and stated the smoke extinguished on it's own. The driver was able to continue driving slowly to their near residence. The contact called the local dealer and made them aware of the failure. The vehicle was not diagnosed or repaired. The VIN was associated to NHTSA campaign number: 20v543000 (service brakes, hydraulic) & NHTSA campaign number: 21v727000 (engine). The manufacturer had not been informed of the failure. The failure mileage was 96,830.

2012 Hyundai Tucson. Consumer writes in regards to fuel switch safety recall. The consumer stated the fuel switch failed and caused engine failure prior to the warranty expiring but, there was no repair available at the time.

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2012 Hyundai Tucson. Consumer writes in regards to vehicle failure to get the fuel economy as advertised. The consumer stated subsequently, he began having trouble with the vehicle; on intermittent starts. The car would idle below 1000 rpm, shudder and misfire. The dealer was unable to locate a problem.

My 2008 v6 Tucson has stalled when stopped in traffic numerous times. It usually started right back up but the last time it would start but not stay running. The car also chugs when I release the gas pedal at around 45 mph and it does not shift smoothly during regular driving. I feel that the car is unreliable and I do not feel safe taking it on long trips. I have had it in to the dealer twice as it is still under warranty. The first time they replaced the mass air sensor. This did not solve the problem. The second time I brought it in, they told me they found wires that were loose and that they cleaned a ground. The car is not running any better and I expect the stalling problem to start at any time. I am very unsatisfied with the fact that Hyundai cannot correct the problem and the car is not running properly or safely.

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My 2005 Hyundai Tucson (2. 7l v-6 4wd) has for the last 1. 5 years has been: 1. Stalling out 2. Running very rough with no power (especially when raining or after several days of rain) 3. Cranks over but doesn't start 4. Engine quits running on highway (leaving us stranded on route I-80). All intermittently! I have had the car in a repair shop where they replaced the ignition coil pack assembly (6/2011). Then it failed again but not long enough to get something diagnosed, so I drove it just knowing someday it was going to happen again. Finally it failed again (1/1/2012) this time long enough for me to get the code/s from the ecm. It had a hard crankshaft position sensor failure. Then it ran fine. I replaced the crankshaft position sensor and upon removal and inspection the sensors three wires were bare. The outer insulation covering all three wires was not only gone but the individual wire insulation was also missing (about 3" of bare copper wire). A quick look of some websites turned up photos of four other crankshaft position sensors that looked the same (missing insulation/ wires shorting) all coming from Hyundai Tucson's. In my opinion this is a very very dangerous situation. Looking at other ntsb complaints for 05, 06 Tucson's turns up nearly 60 other stalling engine; running rough; engine cuts off; type complaints.

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Failure of 'new' 2006 Tucson GLS v6 2. 7l dohc 24 valve engine to meet 20-26 mpg. I get only 8-12 mpg, driving conservatively. I contacted lamar Hyundai were I purchased it under stress & duress of my mother's dying, on 12-30-06. They said to contact the mfg, as they sell the cars & have no solution. Please help. I paid more than online msr price.

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When backing Hyundai Tucson out vehicle makes loud noise. Consumer took the vehicle to the dealer and was told there where no problems. The consumer stated after the recall was repaired, the dealer created another problem. The consumer stated since the problem has been going on for so long are problems have surfaced with the transmission and the brakes. The consumer also complained of poor gas mileage.

2005 Hyundai Tucson consumer feels that he was sold a lemon. He feels that he is not getting the proper miles to the gallon of gasoline while driving in the city. The vehicle only gets 11 mpg in the city.

2005 Hyundai Tucson bad gas mileage. Consumer states that the vehicle does not get the gas mileage indicated. In the city it gets less.