1998 GMC surburban transmission, runs fine when first started up

Sounds like a bad engine thermostat

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GMC Sierra 1500 Questions - Truck suddenly stops running ...

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CarGurusJul 11, 2013 - Truck suddenly stops running, acting like it's out of fuel. ... start it and let it run until it dies then check the pressure and shut the key off. ... Was running fine and then turned off as if the ignition was turned of. .... Well mine was a loose battery connection that just shut down the vehicle completely while driving.

1998 1500 5.2 Shuts Off Randomly - CarGurus

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CarGurusAug 29, 2011 - I let it sit for a second then tried to start it back up and it wouldn't start.... 2006 ram 1500 randomly dies while driving 13 answers ... truck started outrunning fine but would randomly die. wait a few ... Used GMC Sierra 1500".

GMC Sierra 1500 Questions - started stalling and dying ...

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CarGurusJul 28, 2008 - The truck starts and dies. Have to give a little gas to keep running.While driving have to 2 foot it so it won't die. Wants to die when I come to a ...

Engine Dies and Then Starts Right Back Up

www.justautorepair.com/chevrolet/blazer/stalls-starts-up

You have to check the fuel pump pressure to make sure it is supplying sufficient fuel pressure..Try turning the switch to on but do not start..now listen for the fuel pump to prime the system..it should run for 4-5 seconds the shut off..now try and start..if it is fully primed it should start...note although you are getting some gas dosent mean the pump is ok...sometimes it starts to go bad and then all at once it will let you down for good...have it checked out..good luck

check the spider.. EFI spiders are in intake and deliver fuel down intake runners,, they get old and crack and dribble causing un antomized fuel to leak into cylinders causing hard start a d drivability problems

you need a transmission fluid and filter changed.because if filter stopped up.transmission fluid little thicker in cold climate make it hard circulate through filter.when engine and fluid get warmer fluid get thinner where it can circulate through filter cause transmission to shift correctly.

If you have no reverse, more than likely, you have either a stripped or broken sunshell, assuming you have the 4L60E transmission. Are you absolutely sure you have all forward gears? Another indication of the sunshell being defective, will be no engine braking in manual second.

Check fluid in transmission with the car in park AND the engine running AND the engine warmed up. Could be low fluid in the converter.

Also could be a vacuum leak. Check ALL vacuum hoses for disconnection or cracking throughout the engine compartment AND especially any going to the trqansmission.

I have the same problem with my 97.... especially shifting from 3rd to O/D... I've had the tranny serviced and flushed.... It still does it until the tranny warms up.... the tranny's in them are temperature picky!!!!! It's the nature of the beast!!! Wait until spring and everything will be good until next winter!!! If you're really concerned with it you can put a "cold front" on it or block half (NO MORE THAN HALF) of the tranny cooler with cardboard thru the winter months

Try loosening the terminals and turning them a bit after spraying them with crc dont take them right off or you might loose the radio code also check the other ends eg earth and starter and do the same if the battery connections don't fix it hope that helps

THE NOISE IS PROBABLY CONVERTOR. could have also cut a seal during assembly with fluid burnt and slipping it is gonna have to come out and be torn down