1999 GMC Yukon Denali Questions

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Driving home, it started to sputter. Made it home then it wouldnt start. It turns over but doesnt start. Someone told us it could be the anti theft system.
Recently my '99 Denali has been makeing a lound ticking/rattleing noise when in reverse. It appears to be mid-vehicle and only while in 2 wheel drive. The noise arrests when the Denali is in forward drive. I have not ...
Originally I changed the front differential. When I finshed I went for a test drive and my rear u joint broke immediately. I repaired the u joint and 1/2 mile later the u joint snapped again.
My check engine light isn't on and the vehicle runs great other than the above problems and it has 335,492 miles on it.
When I engage the 4wd the light flashes and it sounds like it engages but it isn't engaged or it kicks right back out. I fix my own vehicles but have never encountered this problem before and can't seem to find any in...
will move in 1st and then runs fine and sounds fine after shifts to 2nd. what are possible causes and likely fixes.
any online sites specializing in autmatic transmission and its eletrical components of a 1999 yucon denali that render the transmission to not having any gears i had a transmission blow its clutch making a terrible no...
i just put a new engine in a 1999 gmc yukon denalie it has a rebuilt transmission with less than 500 miles on it , i left the tranny in the truck dureing removeal and installation of the engine i have checked for br...
I have a 1999 Denali and the headlights come on during the day, but at night they shut off.
My 1999 yukon Denali pops and clunks when its cold and also shutters like its going to shut off, but it stops after I gun it and it warms up plus there is a smell like burning or somthing. I have greased slip yoke, r...