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no pulse to fuel injectors?

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Old 02-09-2024, 04:05 PM
  #16  
Jacob AbuKhader
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Originally Posted by ggrecian
u will definately update as i appreciate all of your guidance
Did you ever solve this? I’m dealing with the EXACT same symptoms right now.
Old 02-12-2024, 08:22 PM
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tempest411
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Originally Posted by Jacob AbuKhader
Did you ever solve this? I’m dealing with the EXACT same symptoms right now.
Have you verified one side of each injector connector is live with +12V constant, and the other side pulses to ground when you crank the engine? Probably the easiest way to check this is with a powered test light. I would check the pulses from the speed and reference sensors at the ECU connector.
Old 02-13-2024, 12:55 AM
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Jacob AbuKhader
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Originally Posted by tempest411
Have you verified one side of each injector connector is live with +12V constant, and the other side pulses to ground when you crank the engine? Probably the easiest way to check this is with a powered test light. I would check the pulses from the speed and reference sensors at the ECU connector.

Here’s what’s crazy, I had 12v at the injector harness, I had spark verified with a spark light, I used a rest light to double check 12 at the injector harness, I had tach pulse, and I had 900 ohms from each speed/ ref sensor, at the DME plug. yet still no fuel from the injectors.

it turns out it was the plug to the reference sensor had been bent in a weird way that the old cracked wiring was either shorting or not making contact during cranking. I bent the plug back and up and the car started right up. So I know I need to replace the connector, but what I don’t know is if I can just cut and solder and call it a day with the ground being shielded.

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