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2001 Tahoe mileage My 2001 Tahoe now has 204,000 miles It has had no major problems and still runs well. The latest smog test results were as low as when it was new.

The number 3 spark plug in 4.8L V8 was installed incorrectly, it appears to be leaning at an angle of 2 or 3 degrees or so. I am afraid to remove it for replacement. My question is has anyone seen this before? Is there a possibility that the plug itself got bent during the install? I ask because...

My 2001 is at 192,000 miles and still runs great!

I have a 2001 4.8L V8 with 192,000 miles. It still runs great. I decided to fully refurbish it myself as a hobby vehicle. Upon removing the spark plugs I found number three had been force in at a small angle downward and to the front. I am not able to put a socket on it (5/8). The last change...