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was running now no start

I have a 70050-1 ultimate ls system, it fired up and ran fine for around 25 hours, parked it for a week, now it will not start! Fuel pump works, power to the coils, just no spark. Any ideas would be appreciated! thanks

First check that the program you chose to operate with is still chosen.

If the handheld shows RPM during cranking, inspect the wiring and plugs to the cam sensor. Maybe replug the ECM plug.

i am getting spark, just no fuel. I have a pressure guage at the fuel rail. its good. Put a noid light on the injector and nothing.