![]() ![]() You have seen the possible issues that might cause the red bolt light to appear on your car’s dashboard. How to Fix Red Lightning Bolt on Dash Car Won’t Start? If you don’t have an OBD2 scanner, call a mechanic.Ĭheck this video regarding how to use the OBD2 scanner tool. Once you know the red bolt warning light’s trouble codes, you can proceed to fix the issues. However, checking the trouble code using the OBD2 scanner will be better. ![]() The red lighting bolt on your car’s dashboard lets you know there is a problem with the electronic throttle control unit. Red Lightning Bolt – Diagnose and Replace Throttle Body ![]() We’re unsure whether you can bear the enormous engine replacement cost. Therefore, there is no valid reason to take the red light on your car dashboard lightly, especially when you have trouble starting your car.Īnd according to a good number of automotive experts, a bad throttle body can also cause engine damage. How Severe Is the Red Lighting Bolt Warning Light on Your Car?Īny issues regarding the throttle control system on your car can threaten your car. Moreover, if nothing else mentioned above is the cause of the red bolt warning light, the faulty battery can cause the problem. Besides, the battery might still need to be fully charged.Īnd according to Jessica Howe, an automotive mechanic with more than 5 years of experience, issues like a faulty battery can affect the electronic throttle control. The red lighting bolt signal could happen if something is wrong, like the dead battery. Cause 3: Throttle Position / Pedal Sensor If this happens, the electronic throttle control won’t work. When you pull out the throttle body, it just looks dirty and nasty.Īdditionally, the wiring harness of the throttle body might be worn out or damaged sometimes. This mostly happens when you are unconscious about the maintenance of the throttle body in your car. Well, if too much dirt and dust on the throttle control body, it tends to malfunction. Now, what bad can happen with the throttle control body? ![]() Therefore, if a single component malfunction, the entire electronic throttle control system can malfunction. Some of them are the throttle control motor, flange, butterfly valve, throttle position sensor, etc. This is because the warning light is mainly incorporated with electronic throttle control.Ī throttle body is constructed with too many important components. In 95% of the cases, if you are dealing with the red lighting bolt warning light, this is due to the malfunction of the throttle body. Let’s know what to check and fix in this case. If the system fails, you will find it challenging to start your car. The electronic throttle control system is vital, no matter what modern-day vehicle you own. What Causes Red Lightning Bolt on Dash Car Won’t Start? Additionally, other symptoms can tell you about electronic throttle control malfunctions along with this warning light. You already know precisely what the red bolt light on your car’s dashboard indicates. Symptoms of the Red Lightning Bolt Signal on the Dashboard of Your Car? So, today, we will find out the actual causes and possible solutions for the red lighting bolt sign. Having a better understanding of what causes the warning light is better for our automobiles. A defective throttle position sensor, and a faulty battery, additionally, can be the reasons behind the warning light. More precisely, the throttle body might become bad. The red lighting bolt on the dash won’t start, indicating issues with your car’s electronic throttle control unit. Similar to other warning lights, you need to take the red bolt warning light seriously to avoid further damage to your car. You turn on your car and notice a small sign of red bolt lighting on the dashboard. ![]()
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