Four problems related to check engine light on have been reported for the 2012 Hyundai Accent. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Hyundai Accent based on all problems reported for the 2012 Accent.
Tl the contact owns a 2012 Hyundai Accent. The contact stated while driving 35 mph, the vehicle stalled. The contact stated that after three attempts the vehicle restarted. The check engine warning light was illuminated. The contact stated that the check engine warning light remained illuminated. The vehicle was taken to doral Hyundai (10285 NW 12th st, doral, FL 33172) to be diagnosed. The contact was informed that the fuel pump failed and needed to be replaced. The vehicle was repaired however, the failure recurred. The vehicle was not taken back to the dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 119,000.
Driving on the highway I heard a knocking in the engine. The check engine light came on. I took the vehicle to get the light checked for a code and was told the knock sensor needed replacing. Took the car to the dealer I purchased it from and dealer said there was no code and no history of a code so they could do nothing about it after I told them how to replicate the knocking. Dealer released the car. Two days later while driving on the highway the light came back on and the engine continued knocking. I took it straight to the dealer again and they were able to replicate the issue and find a code. The dealer contacted the manufacturer about the code and the manufacturer recommended applying a patch to the knock sensor and, according to the dealer "see what happens". The dealer performed the patch and released the vehicle to me. The very next day I was driving home after work on the highway and the odometer went from 3000rpm's to 0. While I could try to engage the accelerator and could hear the engine rev no rpms registered. The vehicle went into an idle state and would not react. Causing many near accidents I was able to get the car to the shoulder before it became stationary. Attempted to restart car a dozen times and the rpm's would not register still. Car has now been with the dealer who has not been able to replicate the issue and has not reached out to the manufacturer. The cause and effect of an issue happening after applying a computer patch is not being investigated nor discussed with the manufacturer.
After pulling out from a stop vehicle would not accelerate and went to an idle mode, oil light and battery light illuminated but no check engine light. Vehicle was turned off and restarted and everything worked fine. Vehicle experienced the same problem about 20 minutes later. Vehicle was taken to Hyundai dealership and the tech experienced the same problem during test drive. Vehicle did not store a dtc error code to dealership called tech line who advised to remove and clean throttle body. Vehicle was driven for 1 1/2 days following repair. Today while stopped at an intersection same problem occurred, oil light came on, battery light came on and vehicle went to idle mode. Vehicle was shut off and would not restart. Had to be towed to dealership.
7/15/2012, while pulling off from a stop oil and battery light illuminated and vehicle lost power. No check engine light. Approximately 10 minutes later, vehicle experience same problem. Shutting vehicle off and restarting corrected instant problem. No fault codes stored. Dealership removed, cleaned and re-installed throttle body and suggested using only exxon, mobile or shell gasoline. 7/17/2014, while sitting at a stop light, oil and battery light illuminated and vehicle stalled. Would crank but not start. Vehicle towed to dealership. No fault codes stored. Dealership replaced high pressure fuel pump. 7/31/2014, picked up vehicle from dealership following fuel pump replacement. Drove vehicle 14 miles, when pulling off from a stop, oil and battery light illuminated and vehicle stalled. Restarted vehicle and drove approximately 100 yards, oil and battery light illuminated and vehicle stalled. Upon restart vehicle went into "limp mode". Dealership diagnosed problem as being the computer. 7/18/2014 dealership called and advised Hyundai tech line directed replacement of transmission range switch not computer. 8/15/2014, while pulling off from a stop oil and battery light illuminated and vehicle stalled. Restarted vehicle and took to dealership. 8/16/2014, no fault codes stored. Dealership advised nothing wrong with vehicle but will continue to drive. 8/18/2014, about 10 miles from dealership, while pulling off from a stop oil and battery light illuminated and vehicle lost power. 8/19/2014, dealership advised no fault codes were stored and Hyundai tech line advised to replace low pasture fuel pump, fuel injectors and fuel rail.