2008 Chevrolet Trailblazer Questions

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I have a 2008 Chevrolet Trailblazer LTZ 5.3L V8 140,000 km. Two days ago when I started the car and began driving, I noticed the “Check Gauges” light had come on and the oil pressure gauge needle was exactly at 0. I i...
All wiring checked..New motor still not working
The fuel gauge does not go over half tank even after filling. I've been told a few different things to try but I am wandering if anyone else has had this issue.
The ac didnt work while driving my 2008 trailblazer one day and the temperature gauge didn't work. it came back after one day and ac started working . Now the temprature gauge is reaching 100 while driving (lowest val...
BUT HAVE A AC WHEN TEMP GAUGE IS IN NORMAL POSITION ANY IDEAS
I've seen another post that reports intermittent electrical issues, but my Trailblazer had the following all stop working at the same time. The radio went black (but makes a strange mechanical noise even when the tru...
have very little power when AF is on. only when i come to a stop light and try to preceed at grren ligh
I just had to replace the idler pulley, so I'm wondering what's next to go.