Engine Mechanical problem
1999 GMC Yukon V8 Four Wheel Drive Automatic 145000 miles
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At first it was just in the morning, at first start up, It would take several times to start. If you gave it gas, it would be worse and smell like it was flooding.However, as long as you got it started in the morning, it would be good all day.
Now, I can't start it at all. Plenty of power to do it, just won't turnover. I have spark.

Any suggestions? Mitch