4x4 front hub
I'm familiar with Ford's vacuum actuated front hubs on their 4x4s and was able to add an EGR solenoid into the system that can be energized to prevent the hubs from engaging on rare occasions when I w...
Forum Discussion
JRscooby wrote:
I know with a old carb set up, a vacuum leak would cause rough idle, and poor performance. It is my understanding that on fuel injected snot, sensors in the exhaust stream trigger more fuel delivered as the throttle lets more air in. How would the sensors know the difference, partly open throttle or leak? Would a vacuum leak cause fast idle?
Mass airflow sensor and throttle position sensor.
If the throttle isn't commanding the airflow, and the mass airflow sensor is not sensing it, the computer does not add fuel.
