creed69
May 15th, 2009, 06:39 AM
2004 GTO LS1, Auto - Hybrid install.
Local shop removed emissions, VATS, etc. Had engine running a couple of weeks. Purchased EFI Live, changed fan on/off temps - worked great. Tried to start engine 3-4 days later - cranks, but won't start?? I have 58 psi at the rails, power to the coils, injectors, cam and crank sensors. The scan tool shows 100-200rpm while cranking. Double checked that the anti-theft is off.
Although I have power to coils/injectors, I have no spark and the injectors aren't pulsing. I checked the plugs by holding them to the frame and put an LED into the injector connectors - nothing.
New to tuning software.. anything to look for in the software to help diagnose the problem? Unfortunately, I cleared all the DTCs without looking at each one.
Local shop removed emissions, VATS, etc. Had engine running a couple of weeks. Purchased EFI Live, changed fan on/off temps - worked great. Tried to start engine 3-4 days later - cranks, but won't start?? I have 58 psi at the rails, power to the coils, injectors, cam and crank sensors. The scan tool shows 100-200rpm while cranking. Double checked that the anti-theft is off.
Although I have power to coils/injectors, I have no spark and the injectors aren't pulsing. I checked the plugs by holding them to the frame and put an LED into the injector connectors - nothing.
New to tuning software.. anything to look for in the software to help diagnose the problem? Unfortunately, I cleared all the DTCs without looking at each one.