|Pass rate:||75 %|
The July issue of Motor Age is built around domestic manufacturers. This month’s ASE Question of the Month is more of a trivia question than a technical one. We’d thought you’d enjoy a little switch!
The Engine Control Module (ECM) needs to receive feedback so it can determine how well an executed function has performed, if it has performed at all. Exhaust Gas Recirculation (EGR) systems, for example, may use shifts in oxygen sensor voltage, changes in short term fuel trim corrections, or changes in manifold absolute pressure as a means to determine if the EGR is flowing correctly.