I am about to strangle someone at GM if they can't fix the "reduced engine problem" on my 2004 Chevy Tahoe. (The "reduced engine power" notice appears and the truck cuts down to about 2000 RPM's and either goes 5-10 MPH at most or completely dies out and we loose power and brake functions - this happens anywhere from taking it out of park, or going 65 MPH). We had the throttle sensor replaced last year when it occurred and everything was fine until 3-4 months ago when it started back up again. But guess what? They say their diagnstic shows nothing wrong, and they give it back to us. We took it in over 3 times....mostly because we have 3 small kids and when it dies out on the expressway we feel like we are about to be killed! Now after 3 months it is getting worse, there are pinging and knocking noises and I am going crazy. We took it to another place and they say they can't find the problem with the reduced engine power, but our U-joints need to be replaced! I have a few questions....what is wrong with my truck? AND could the U-joint damage been caused by the power cutting out so much?
Someone please help!
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