khaled DRiFT Posted January 14, 2016 Report Share Posted January 14, 2016 rb25det neo all sensors read fine but spark is too weak and engine cant start all sensors read very fine no errors !! Quote Link to comment Share on other sites More sharing options...
Simon Posted January 15, 2016 Report Share Posted January 15, 2016 Make sure you have the correct coil / igniter combo.The late coils had an inbuilt igniter but earlier ones did not.To check measure the resistance between the power and signal wire. If its low around 1ohm then you need an external igniter.Also check the voltage to the coils. If this is not 10 or more volts you will have a weak spark. khaled DRiFT 1 Quote Link to comment Share on other sites More sharing options...
khaled DRiFT Posted January 15, 2016 Author Report Share Posted January 15, 2016 it have a built in igniter when i test the ignition from the ignition test it work fine but when i start the engine it don't work .. i think it may be at the trigger setup but the rpm read right values and at run-time values window ( trig. 1 & trig. 2 & sync ) is ok and there is no fault Quote Link to comment Share on other sites More sharing options...
khaled DRiFT Posted January 16, 2016 Author Report Share Posted January 16, 2016 CAS is reading good no faults and trigger scope is ok , injectors are working siq. but spark is not work while i start the engine .when i test the ignition coil from the ignition test it work fine ! i can't find the problem Quote Link to comment Share on other sites More sharing options...
Ducie54 Posted January 17, 2016 Report Share Posted January 17, 2016 Where is the 12v feed to the coils taken from? It may have 12v with ignition on but none during cranking. Quote Link to comment Share on other sites More sharing options...
khaled DRiFT Posted January 19, 2016 Author Report Share Posted January 19, 2016 thanks it was from the fuse Quote Link to comment Share on other sites More sharing options...
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