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No earth pulse to injectors

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Old Jun 6, 2020 | 03:24 PM
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Default No earth pulse to injectors

Anyone else had this problem, 2wd sapphire cosworth
im getting no signal earth from ecu to the injectors .
checked the live coming in to ecu and has a good earth coming into it.
🤔

Last edited by Darren-cosworth; Jun 6, 2020 at 03:26 PM.
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Old Jun 6, 2020 | 03:50 PM
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Have you checked your phase sensor in your dizzy
Or reset the phase sensor
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Old Jun 6, 2020 | 05:14 PM
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Checked phase sensor
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Old Jun 7, 2020 | 05:07 PM
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Power to injectors?

How have you determined that they are not being grounded?

Martin
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Old Jun 7, 2020 | 06:36 PM
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Originally Posted by martysmartie
Power to injectors?

How have you determined that they are not being grounded?

Martin
they have a live on the ignition but no earth signal from ecu on the cranking
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Old Jun 7, 2020 | 06:40 PM
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Originally Posted by G22cossy
they have a live on the ignition but no earth signal from ecu on the cranking
Then as said, you need to check the phase sensor output.

A common issue here can be the wides go brittle and short out.

Martin
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Old Jun 7, 2020 | 06:48 PM
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Check the output on phase sensor
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Old Jun 13, 2020 | 10:15 AM
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Originally Posted by G22cossy
Check the output on phase sensor
new crank sensor, phase sensor, ecu changed.
Still no earth signal to injectors 🤦‍♂️
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Old Nov 28, 2021 | 04:26 PM
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Hi Darren

Im having the same problem with my cosworth at the moment, did you ever get to the bottom of it ?

Thanks Jake
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