I had these telltale signs on mine and it turned out to be the beginnign of a weak fuel pump. It eventually set a check engine light. IS your fuel pump getting noisier? As in humming or buzzing? I changed out my fuel filter to buy some time and the pump would go okay for a while and then do it again. Mine woudl do it mostly when trying to pass another car on the highway and in O/D and just pressing the accelerator you would feel it hesitate and stumble and then either kick down a gear or set the check engine light. I also had these signs on my 1995 Tahoe 4x4. Replaced fuel pump & filter- Nothing / Replaced Throttle position sensor-Nothing / Replaced fuel pump relay-Nothing / Removed air filter assy to see injectors pumping fuel into carb- Getting GREAT flow but has dead spot at about 2K RPM. I could physically see the flow decrease as I pushed the gas cable from under the hood. Got frustrated enough to REMOVE injectors to clean em.(Throwing straws at it now)The mounting plate that holds the injectors also houses the fuel pressure regulator. It was totally clogged with grease and oil. I cleaned it GOOD and reinstalled- RAN LIKE A FREAKIN CHAMP= Thought I'd share before someone else sets their Chevy on fire. Good luck -
The vacuum selector switch on a 1999 Chevy Tahoe is located under the dash. It is to the right of the gas pedal.
BEHIND THE BRAKE PEDAL
gas pedal cable?, fuel pump?
A bad pinion bearing in the differential is to blame
Key on engine off press the gas pedal to the floor 3 times within 5 seconds Itll be reset when it stops flashing
Turn key on ( do not start ) then push the gas pedal all the way down 3 times and then turn key off and then start the engine.
I have a 97 Tahoe and the brake lights were not working and the problem was in the emergency flasher switch. I just jiggled it and the brake lights worked so am thinking you might have the same problem. It could also be the brake pedal switch located right on the pedal arm.
Try pressing on the gas pedal with more force.
A very dirty fuel filter could do that.
Turn key on ( do not start ) then push the gas pedal all the way down 3 times and then turn key off and then start the engine.
The engine may be receiving too much fuel and be unable to combust. This may be why it cuts off once you press the gas.
There is a relay in the emergency brake which turns them off. Sometimes it can be sticky. pull up on emerg pedal.