2007 110,000

[sick1166]

runs great 16 mpg thinking of new plugs wires what else to keep it running with no problems.
I change the belts and a 3 pulleys at 70 thousand miles
wondering about maf and any other engine parts
thanks for the help

 

[tahoebigah]

As the old saying goes......if it aint broke dont fix it!

 

[Badmunky]

At 100k you should replace the plugs, O2 sensors, clean the MAF with MAF cleaner, service the trans if it's due and change the plug wires.
I'm about to do all of this to my 07 with 104k on it.
I'm also replacing the fuel filter, and I just ran some Seafoam threw it.
I'm seeing 16.5mpg on gas and 11.5mpg on E85 right now.
I'm hopping to get mine up to 19 or 20 mpg on gas and 15 to 16mpg on E85 after a good tune up.

I also have a CEL right now. Code P0449. So I have the parts to fix this on order as well.

 

[Hurlz07Tahoe]

Transfer case fluid, flush the coolant...