Andrew Markel discusses the current used to drive fuel pumps, and how measuring it with a suite of diagnostic tools can determine the component’s health. Sponsored by Auto Value and Bumper to Bumper.
Video courtesy Underhood Service.
Though DOT 3, 4 and 5.1 brake fluids are technically compatible with each other, when mixed, fluid properties can change.
Trying to match the brake fluid to a product that is available can quickly have your head spinning when trying to service a late-model BMW, VW or Mercedes. Finding the correct specification can be ambiguous because some manufacturers provide a part number instead of a specification in the service information or owner’s manual. Brake fluids can have several confusing names like LV, Super or DOT 4 Plus.
Specific hardware does not do its job if it is left in the box.
On older throttle cable systems, the carburetor or fuel injection system reacted to the throttle angle.
The main culprit of friction material separation is typically corrosion.
This function of the power management system uses several modules to decide when the engine needs to stop and start.
The leading source of particulate emissions come from brake pads and tires.
Engineering teams have certain goals that they need to meet or exceed.
Every driver has a different threshold for a pull.
Use a scan tool that can look at special direct fuel injection parameters and perform bidirectional tests.
