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Engine control module
The engine computer (pcm) controls the injector pulse. It looks at numerous sensors and switches to calculate pulse width
The engine computer.
The engince control computer. Why ?
The ecm does with input from various sensors.
1990 ford ranger 2.3 no injector pulse what causes this
200 Nissan exterra v6 have spark and injector pulse no power to fuel pump
tools u can use are a noid light....or an injector pulser ''TOOL''
Pulse width is the time in milliseconds that the injector is energized, the duty cycle is the percentage of on-time to total cycle time
Injector pulse is controlled by the ECU. Injectors Have a red wire that is hot. Black wire is controled by computer ground...
The ECU. (COMPUTER)
faulty crank angle sensor in most cases