What controls injector pulse on a 95 Buick Riviera?

The injector pulse on a 1995 Buick Riviera is controlled by the Engine Control Module (ECM). The ECM is a computer that controls many of the engine's functions, including fuel injection. The ECM uses a variety of sensors to determine how much fuel to inject into the engine, including the oxygen sensor, the mass airflow sensor, and the throttle position sensor. The ECM then sends a signal to the fuel injectors, which open and allow fuel to flow into the engine.

Here is a more detailed explanation of how the ECM controls injector pulse:

1. The ECM receives signals from the various sensors.

2. The ECM uses the signals from the sensors to calculate how much fuel to inject into the engine.

3. The ECM sends a signal to the fuel injectors, which open and allow fuel to flow into the engine.

4. The amount of time that the fuel injectors are open is called the injector pulse.

5. The injector pulse is controlled by the ECM, and it is adjusted based on the engine's operating conditions.

By controlling the injector pulse, the ECM can ensure that the engine receives the correct amount of fuel for optimal performance.