My Tahoe was having a problem so I took it in and shop said it needed a major tune up. 3 days after it got tuned up it started to stall again. Same shop said it needed fuel pump. Here we are 2 weeks after replacing fuel pump and I'm having problems again. I started Tahoe this morning and when I put it in drive it idled really low and started to smoke (white smoke) from front driver side. Also the electrical was going crazy. Lights radio and front and back wipers going on and off. under the hood smelled like burning plastic. So before I take it to this shop for a 3rd time I would greatly appreciate any comments. My Tahoe has been in great condition for almost 13 years and I'm hoping it can give me a few more
hard to say anything about this one. If you smell something burning from the hood did you open the hood and see if you could see anything? With all the electrical things going nuts I would look at some thing related to the body control module. I wouldn't think that it could be related to the other work that you had done but crazier things have happened.