Why does start cold run a bit and die and restart when it apprantly cools down?
Hi Mike, Could be something to do with the battery and a loose connection, or a blocked fuel filter or defective pump, which is the most likely. Have a diagnostic scan carried out. Regards John.
SOURCE: 2003 Chevy suburban engine dies while driving
the reason your truck is shutting off is because one of your o2 censors is bad. had the same problem even got a diagnostic done ans showed no error.finally went to advance auto and asked someone who had the same problem. hope is works out
SOURCE: 1999 GMC Suburban 350 wont run
Per your description, it sounds like you are missing an injector pulse from the ECM.
Check the under-hood fuse box and verify the "ECM1" fuse is good (12 volt supply to injectors).
With the key in the run position, verify you have 12 volts at an injector.
Barrow or purchase a "noid" light to verify you have an injector ground pulse from the ECM.
Let me know what you find and we can proceed from there.
Regards,
SOURCE: 1970 Chevy 350 in C30 truck dies when warm
You need to find oput what you loose when the truck shuts off, all you need is Air, Fuel , and spark to run one of the three are droppuig out when it stalls and will not run. Chech the carb for gas it sounds like you have a weak fuel pump.
Testimonial: "Great idea...I assumed that because the line was full of fuel when i checked the bronze filter element. Fast response, thanks!"
SOURCE: 1992 cavalier. starts and drives fine, but will
Try pulling the vacuum line off of the EGR valve when the engine is warm and starts to sputter. If it runs good cold and then dies when warm and won't start again until the engine cools it is most likely a bad or sticking EGR valve. Try the procedure to confirm it is the EGR. You can check the internet for location and an image of the EGR valve for your specific car. Please rate me on this answer.
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