No warning indicators. Most of the time it will not start. Unplug crank sensor and it'll start and run a little rough. Plug crank sensor back in and it smooths out and runs fine. shut it off and it may or maynot start right back up. new cam sensor, crank sensor, and fuel pres sensor. New ECM. 4HK1 Isuzu engine. Every time it's a no start, unplug crank sensor and it starts. Then of course the warning light comes on.
Do you know how to access codes in the monitor? Post a picture of your monitor.