140,000 5.7. 4x4. I have a problem at acceleration. Very low power. When I hit the gas from a complete stop it acts like its starving for air or flooding? A good example of what is happening is, picture a manual transmission car starting out from a dead stop in 3rd gear. Once the tahoe gets to a certain RPM (2nd gear) it takes off like a raped ape. I mean it sits you right back in your seat. On the highway or in normal traffic, it has no hesitation or lack of power. Plenty of get up and go when passing. I have replaced the plugs, coil, Cat convertors, fuel filter, checked and cleaned EGR valve, checked air filter, and had to replace 1 O2 sensor because it was damaged while replacing the cats. NO TROUBLE CODES. I dont want to sink any more money into this and guessing what is wrong. It is an awsome looking and running vehicle other than this problem. It is also getting terrible fuel economy.
have the same problem?
Thursday, November 15th, 2007 AT 4:06 PM