obs chevy

I am new to this forum. Not new to Chevys. I have driven and owned and worked on many of them over half a century. I currently have three OBS pickups, one of them is my parts truck. On the 93 GMC Sierra SLE stepside, I have rebuilt the engine (5.7 V8), the transmission, brake system, air...

I have a 1999 Chevy Tahoe that hesitates bad sometimes when you accelerate hard as soon as it gets warm. When it’s cold it runs great. I have changed plugs, wires, distributor cap and rotor button about 6 months ago as well as the fuel filter this week. But it is now getting terrible gas...