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Missing injector pulses - How to narrow down the problem? 700 1990

posted by  Will740turbo on  Thu Jun 12 18:33 CST 2014
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last visit: Wed Oct 22 16:09 CST 2014
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I'm sure it could be a problem with the ignition computer, but the spark never even hesitated at all during my tests.


I checked the RSR today, and all 4 pins had steady power to ground during the episodes. I think it's down to the ECU, ICU, or wire between them. Hopefully.
I'll look over the greenbooks and wiring diagrams again to see what exactly triggers the injectors.






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