The engine computer, which is often referred to as the powertrain control module (PCM), monitors the EVAP system for leaks. If the PCM detects a leak—from a loose gas cap or any other part of the EVAP system—it turns on the CEL and stores a corresponding diagnostic trouble code (DTC) in its memory. The average cost for a check engine light diagnosis & testing is generally between $88 and $111. The good news, Stevinson Hyundai offers totally free multi-point inspections and free diagnostics, in most cases, to help determine the cause of your check engine light. Free 2022 Hyundai Sonata check engine light diagnostics available this week.
If your check engine light turns on promptly after you put gas in your 2021 Hyundai Ioniq Hybrid, first thing you should check is to make sure the cap isn’t loose — or that it's still on your car’s roof or at the fuel pump. The battery is low or dead. The battery in your 2021 Hyundai Ioniq Hybrid is every vital.
The Hyundai check engine light can indicate various issues with your engine, such as a loose gas cap, a mass airflow sensor, or a catalytic converter. Learn why your Hyundai check engine light is on and how to turn it off by disconnecting your battery and reconnecting it. You can also schedule service with us near Houston to fix any problems that arise.
Hyundai Check Engine Light. If the check engine light in your Hyundai starts glaring, that means that the problem needs sudden attention and your Hyundai should be delivered in straightaway. A glaring light indicates that the problem is relentless and if not taken care of straightaway may result in first-rate break to the automobile. The first and best thing to do is disconnect the negative battery cable and leave it off for 30 seconds or so, while it is off tighten your gas cap, then reinstall the cable. This allows the on-board computer to reset and will make the check engine light go off. . 334 310 233 51 232 4 2 334 270

hyundai check engine light reset