Does the PCM control injectors?
Fuel Injectors The PCM controls the amount of fuel delivered by cycling the injector voltage on and off very rapidly.
How does the PCM control the opening of the injectors nozzle?
The (PCM) uses the trigger signal from the crankshaft position sensor; and/or camshaft position sensor to pulse the injectors.
Will my car start with a bad PCM?
Your Car Won’t Start or Starts Roughly This can be caused by several different PCM errors, but may also be an indication of something wrong in your ECM. Possible causes include: An improperly-balanced fuel-to-air ratio.
What causes no power to fuel injector pulse?
Ans: The engine control unit is the electronic brain that used to control the fuel injector pulse by gathering data from various sensors along the fuel line Question: What causes no power to fuel injectors?
Why is there no spark at the injectors?
The engine in 4.6L v-8 there is spark but no pulsing at the injectors. It was the PCM power relay that was bad cost me $34.00 all fixed I love this site. helpful? The security system can cause non starting. If there is a fault with the security system, the THEFT indicator light would glow or flash rapidly after ignition key is turned ON.
How does the engine control unit control the injector pulse?
Question: What controls the fuel injector pulse? Ans: The engine control unit is the electronic brain that used to control the fuel injector pulse by gathering data from various sensors along the fuel line
What happens if the powertrain control module is not working?
The fuel injectors are responsible for allowing fuel to be injected into the cylinders and the timing of these injectors are controlled by the ECU. If the ECU is not working, then the valves on the fuel injectors may stay closed which will prevent fuel from entering the cylinders. What are the symptoms of a bad powertrain control module?