throttle STICKS, when in gear the motor races and don't go ?
Possible bad fuel pump, fuel pressure regulator. Give more symptoms
Bad transmissions can have several symptoms. The Tahoe could shake, or not go into gear properly. The vehicle can suffer fuel economy, or have trouble driving at speed due to the transmission slipping.
There are several things that can keep a Chevy Tahoe from starting including the starter being bad, a dead battery, an alternator, or a fuel pump.
There can be many reasons why a 1997 Chevy Tahoe will not start after sitting for three days. Reasons include a dead battery, a bad starter, a bad alternator, a loose wire, and no gas.
Loose connection? Bad ground? Weak battery?
bad head gasket
bad ground wire at the coil probably
Low on freon, bad sensor, etc
No spark.
bad coil pack bad plugs bad wires water and water in your fuel system
loud rattling noise when idling.
The engine on your 04 5.3L Chevy Tahoe could be knocking until it warmed up because of a bad fuel-air mixture. . The wrong oil could also be a cause.