I have a 93 chevy lumina 3.1L. The problem is it will start and run fine until it warms up. After warming up it will either die on it's own (like starving for fuel), and not restart, or if I shut it off it won't restart. I have changed fuel filter, thermostat (needed it) and air filter. I also tested the ICM with a timing light and it seems to be fine. I did the "paper clip" diagnostic test and came up with codes 33 & 35. Any ideas on what to check? I have been told maybe the crank sensor...where is it located? Any help would be greatly appreciated!!!
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