![]() Expectedly, the quality and state of transmission fluid used directly affect the whole (and smaller bits) of this component. It relies heavily on transmission fluid to operate correctly. However, the component is only as tough as its weakest element.Ī torque converter is a fluid coupler by design. ![]() This power transmission problem is unique to auto-transmission vehicles, as cars with manual gearboxes have a clutch to do the job.ĭon’t get me wrong - torque converters are inherently durable. If you are still wondering, “Why did my car turn off while driving?” it may have something to do with a broken torque converter. In this situation, constant wiper movement in the variable resistor wears down the resistive material strip inside the fuel gauge, causing it to get stuck in one position. The first reason is self-explanatory, whereas the second one is often due to a sending unit failure. But it does happen (even to the best of us), mainly because of honest neglect or a faulty fuel gauge. Now, you may think it silly for anyone to miss out on this. One of the most obvious reasons behind a car turned off while driving is an empty tank. Top Reasons Car Turns Off While Driving 1. Plus, I will throw in some tips to help deal with this unusual car behavior. But worry no more, as I intend to shed light on the subject. Defective Idle Air/Speed Control Actuator/Valveīecause multiple systems are involved, a car turning off while driving can leave owners confused and not knowing where to start.Here are the top reasons a car turns off while driving but turns back on: Damaged serpentine belts and camshaft sensors are probable suspects, although there is little chance the affected car can restart. In this article, we will discuss this incident in further detail and answer the question, “Why did my car turn off while driving?”įactors like out-of-spec pressure levels, disrupted AFR, defective sensors, and a failing charging system can cause a car to turn off while driving but turn back on. Disclosure: We may get commissions for purchases made through links in this post.Ī car turning off while driving but restarting after (a.k.a stop-start) can signify several problems - most of which are related to that vehicle’s fuel, ignition, and air intake systems.
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