The Electric Power Steering (EPS) provides variable assist depending on car's speed. Fail safe means is that if the steering ECU looses contact with the ABS Module or the Car's engine Computer (i.e. putting it in another car), the steering ECU defaults to pre-set level of assist. The Electric Power Assist provides variable assist. In short, it's massively easier to make a hydraulic rack feel good because the hydraulic fluid is directly a direct conduit for steering forces. Thanks for the explanation. The reason at its core is simple: with hydraulics, steering feel is a natural side-effect due to the fluid coupling everything together. The first indicator of the warning light is a problem with your car's hydraulic system. The hydraulic fluid in the system might leak and make your steering inefficient. If you neglect the signs and continue driving, you risk ramming your vehicle because of the compromised steering system. Secondly, the EPS warning sign on an electric power Over time, the power steering belt may crack, break, become loose, or worn due to constant use. There are a few symptoms to watch out for before the power steering belt completely fails, and renders your vehicle without power steering: 1. Noises coming from the belt. While you are driving, if you notice a squealing, grinding, or chirping noise Step 2: Add power steering fluid if the level is low. Check the owner’s or service manual for the type of fluid before adding anything. Step 3: Find the bleed valve and apply some penetrating oil. Push a length of clear vinyl tubing on the end of the bleed valve. Tubing length is better too long than too short. After a good soak, you can wipe the belt dry, let it air dry, and try to reinstall it. If the belt still slips or is completely soaked with power steering fluid, you might have to replace it with a new serpentine belt. This can run you from $25 to $75. 2. Foul the Alternator. The power steering is electronic so you are seeing engine oil from the spool vaves or valve covers. Timing belt should be changed every 6 years so you are about 10 years over due. Failure will cause serious damage to the engine. NSX Prime Vendor Listing NSXe-Repair. briank@nsxe-repair.com. Electric power steering (EPS) is becoming the new norm for today’s vehicles. Instead of a hydraulic pump, the gear connects to an electric motor and a control module, which uses sensors to determine how much assistance is needed to the steering system while you drive. Electro-Hydraulic steering is a hybrid of the two. fiS5y.