bsc Posted January 29, 2021 Report Share Posted January 29, 2021 Hi guys, I have a plug in G4x for CA18 and having issues with running on 3 cylinders and suspect CAS set up. There’s not much in the way of settings compared to G4+. Trigger is -75 and tested with a timing light, Nissan 360 opto, trigger 1-2 set to pull up on. Trig 1 edge falling and trig 2 edge all. Starts and runs on 3 fine just cylinder 4 dead. Has fuel and spark just thinking timing of cyl 4 off. Before I get much more involved just wondering if there’s issues here with g4x and the cas? Set to direct spark, tried wasted spark and worse. also new injectors, swapped plugs, checked Comp all ok Quote Link to comment Share on other sites More sharing options...
Adamw Posted January 29, 2021 Report Share Posted January 29, 2021 With engine not running, if you put ignition 4 into test mode do you have spark on cyl 4? If you put injector 4 into test mode is it clicking? Quote Link to comment Share on other sites More sharing options...
bsc Posted January 31, 2021 Author Report Share Posted January 31, 2021 I did check injector no4 spark however I just checked it had it not selecting cyl4 individually. I’ll check that now Quote Link to comment Share on other sites More sharing options...
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