![]() It’s an emergency as it can result in massive damages to a truck’s catalytic converter.Ī severe engine misfire can also lead to your truck’s cabin filling up with the smell of gas. This can happen if loads of unburned fuel gets into the exhaust system. A red or a blinking check engine light on a semi-truck often means a severely misfiring engine. What Does a Red or Blinking Engine Light Mean?Īn indicator that lights up in red or blinks non-stop is a sign of an emergency. A glowing red engine light means you should pull over once it’s safe to do so and call roadside assistance – your engine is in imminent danger of a breakdown. If the light blinks non-stop or glows red (either solid or flashing), you’ve got a more severe problem. If the light is yellow or orange, you don’t necessarily need to pull over, but you should bring your truck in for service as soon as possible. When your engine light comes on, it doesn’t necessarily mean your engine is about to sputter and die. Should You Stop Driving If Your Semi-Truck Engine Light Comes On? ![]() This warning takes the form of either a lit “Check Engine,” “Service Engine Soon” light, or will light up that engine diagram. If it’s unable to, then the computer will notify the driver. If the OBD system detects a problem in the electronic control system, it will try to correct it. It also facilitates fuel mixture, ignition timing, and even automatic transmission shifts. With that said, one of the key roles of your truck’s OBD system is to regulate engine speed. Others are to ensure the overall safety and function of semi-trucks. Many of these have to do with the use of emission-related electronic sensors. ![]() Note that commercial vehicle drivers, including truckers, have federal OBD requirements to meet. They’re a part of an on-board diagnostic (OBD) system, a built-in computer that monitors and regulates engine performance. They exist for the same purpose, to tell you that something isn’t right under the hood.ĭashboard indicator lights have been around since the 1980s. It can also be an image of an engine or just the word “Check” that lights up in yellow, orange, or red. ![]() In some vehicles, the “Check Engine” light can take the form of a “Service Engine Soon” light. This post will show you the basics of solving engine light-related issues, so be sure to read on. So, what exactly does it mean when your engine light comes on? Is there anything you can do on your own to address the issue? However, it’s a sign or a warning that not everything under the hood is doing great. Note, though, that a lit engine light doesn’t automatically mean you have a busted engine. ![]() It’s crucial to pay attention to your semi-truck engine light. Other researchers estimate this to be higher, at around 9% to 18% of all truck-related crashes.Įither way, there’s no doubt that vehicle defects are a crucial player in big rig collisions. At least 6% of crashes in trucks are due to mechanical failures. ![]()
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December 2022
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