A vehicle speed sensor (VSS) is also known as a transmission speed sensor or wheel speed sensor. It is a small device, located on the transmission. The sensor helps in determining the speed of your car by measuring the rotation of a sprocket on an axle inside the transmission. However, a...
A speedometer may stop working due to a bad sensor. Plus, the affected cruise control can disrupt the driving functions of the car. Any problem with the sensor will make the Check Engine light to come on. A speed sensor does not only indicate the vehicle speed but also helps with cruise ...
A system that doesn’t engage or disengage may be due to any of the following factors: ● A faulty vehicle speed sensor ● Throttle malfunction ● Vacuum bleed switch malfunction ● Blown fuse ● Defective transmission signaling ● Faulty speed control assembly Each vehicle manufacturer has a ...
Transmission Issues: The ECM not only manages the engine but also communicates with the transmission control module (TCM) to ensure smooth gear shifting. A failing ECM can disrupt this communication, leading to transmission problems such as harsh shifts, delayed engagement, or even gear slippage. I...
After understanding the notion of ECM you might have a question “Are ECM and PCM different in a car?” Our answer is “Yes”. PCM (Powertrain Control Module) is a powertrain system that includes: the engine, clutch, and transmission. So PCM control for both the engine and gearbox. While...
In some cars, the sensor is installed close to the main pulley (harmonic balancer) like in this Ford in the photo. In other cars, the sensor could be installed at the transmission bell housing, or in the engine cylinder block, as in the photo below. In the technical literature, the cra...
#2 – Sensor Malfunction There are quite a few sensors which control the engine and transmission. If one of the sensors, such as the MAF, MAP, TPS or speed sensors are sending improper signals to the computer, limp mode can activate. Failed fuel injectors, coil packs and worn out spark ...
Further development of these applications, along with live data transmission and storage to the cloud will enhance the usability and utility of these technologies. Incorporating machine learning to these functionalities can then enable more objective disease staging/diagnoses by physicians and enhanced ...
Low fluid levels - insufficient engine oil, transmission fluid or coolant What sensors can cause limp mode? Examples of sensors that can trigger limp mode include the mass air flow sensor (MAF), throttle position sensor (TPS) and manifold pressure sensor (MPS). Can faulty glow plugs cause lim...
I have seen tons of vehicles with lots of engine oil dripping on the manifold and it just burns off, never ignites. I am wondering if you had/have a raw fuel leak or a transmission or power steering fluid leak..which is more flammable than thick engine oil. I think I would proceed ...