Have you checked the system fault codes? Here is how to do that. FAQ How to read older GM codes for free
SOURCE: 2000 chevy blazer starting issues
swng,
1) Is the service engine soon light ever on when engine is running?
2) Per your description I would look at the ECT sending unit. It sends coolant temperature information the the Engine Control Module for proper fuel delivery for cold engine start. It may have lost its calibration.
Let me know.
Regards,
SOURCE: 1994 sonoma stops running when it warms up
Replace you fuel Injector pump and check for any bad or clogged injectors. make sure idle adjustment screw is properly set
SOURCE: 2003 hyundai sonata
I have the same problem, starting today. i was driving and it just died. and when its cold it cranks. but when hot itll start and instantly die.
SOURCE: I have a 93 dodge dakota,i'm trying to find the ground strap.
on some it goes from motor to firewall or motor to the frame.. you have to have a good eye for it is easily overlooked...good luck
SOURCE: 93 chevy lumina euro won't stay running
sounds like it could be a fuel injector shorting out. have to get it hot, pull off the plenum and check the resistance in each injector. if any injector has bad resistance, replace it. when an injector shorts out on these particular vehicles, it shorts out the whole injection circuit. and when it cools off the resistance goes back up and it will run ok. i think the correct resistance should be about 13 ohms.
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