Flop the left and right side tires. Duz the pull go to the other side? Bad tire.
If you have uni directional tires, flop front to back, if the pull goes way down, you have a bad tire.
Or, your alignment shop could be crap. Many are. I use a guy who rebuilds wrecks, he isn't afraid to pull the car if that's what it takes to get the alingment right. He also charges twice what Firestone wants. Every alignment he has ever done on any car I have brought him has been perfect. The guy cares. Lots don't.
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