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We just moved to AZ about 6 months ago and even prior to arriving here my engine sporadically sounded as if it was starving for air. I took it to the dealership prior to my trip and they said everything was A OK. The engine has only 40K, ran great up in MD (great on gas too) until it had an...

I friend is wanting to sell me his Hypertech programmer from the 02 Tahoe he just sold. I have a 01 Yukon, both had athe 5.3 engine. But since it was already installed in his car will it work in mine or is it married up to one vin?

I friend at works brother just got rid of his 03 Tahoe and has a programmer from Hypertech and a larger front break kit for sale. Can I use his programer on my Yukon..same engine or is the programmer married up to his vin.OBD and therefore useless on my Yukon. I am also thinking about...

It does say max rating, but on the doors on all my vehicles it has always stated the proper psi with or with out full load etc.

I have upgraded to 20" with 305/50 and I dont know what the proper tire pressure should be? I have been using the pressure for my stock 17's of 36 all the way around. It for a yukon xl usually loaded with 2 adult 3 kids and all the gear that goes along with having a baby.

Just history, I have an 01 Yukon Xl, leather with captain seats. It took so long to find it and we are very happy with it. Just one week before deploying to Iraq 3 years ago the engine went out, could not be sure if it was head gasket or internal engine leak (so they said). No time to fuss so...

I believe that it works, it brougt my mpg from 11.5 to 13mpg and when I added a K&N CAI it went to 14.5 avg and 16 Hwy. So I my case it worked out great. Now just to get some headers and free flow exhaust.

Your lucky, when I bought my 00 in 02 the fuel pump went out two days later and again back in August. The first time I did not know about the whine. I knew it was going this last time when the whine returned and the gauge went out and I am only at 170K

I know asked this already in previous thread, but I went to the Dynatech website and saw their long tube header with y-pipe with no cats. Is the theory that I would loose low end torque? I would still maintain a muffler. Thanks

I have been getting really poor gas milage in my 2000 Yukon Xl. I had the enging replaced 2 weeks prior to shipping out to Iraq 3 years ago due to major coolant loss. The mechanic could not guarantee it was the head gasket or internal leak and I did not want my wife to deal with it when I was...

Hey Bostahloic, where did you get a 100hp Throttle body spacer?

Welcome to the board, I just joined myself. Do you also belong to the Bimmerfest or Bimmerforums?

How can you tell and what happens once the cats gets plugged up?

Hello everyone, this is my first post. I am glad to see that there is a forum for our SUVs. I had to add coolant for the first time this am when the light came on. This raised my awarness and this pm when returning from work i notice coolant smell. Checked under hood and no leaks from hoses...