R24 Posted September 18, 2018 Report Share Posted September 18, 2018 idle setting.docxAfter reading the help file for open loop and closed loop idle, I gave it a try to tune again on open loop from start disabling the ignition idle control. When i start from a cold engine adjusting the idle base, I get unstable idling as it moves up and down constantly with error of between 150 to 250 rpm. this becomes more obvious when the engine reach the 80 degrees C. The idle gets back to normal after I turn on the ignition idle control in open loop. How can I overcome this in order to tune it correctly and move to closed loop tuning. My settings on my car are as below: SARD fuel injector 530cc part no. 63516, deadtime 1.10 ms Fuel pressure set at 40 psi Bosch 3 wire solenoid isc idle setting.docx Quote Link to comment Share on other sites More sharing options...
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