Stumbling on Cold Starts

[thehata1]

Originally Posted by Wgesnerjr

I had a similar problem recently and found out it was a bad O2 sensor. Here is my thread.
http://67-72chevytrucks.com/vboard/s...ight=stumbling
Gets interesting around page 3.

Thank you for the heads-up. Tonight, I'm going to cold crank for the first time since test driving it a few miles yesterday.

Since I have a 100K plus motor, I'll start here and replace the O2 sensors with new ones. I'll follow-up tonight and after the O2 swap.