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O2 sensor issues.
Hey everyone I'm currently working on a 2015 tahoe. This is my friends truck. I had recently intalled a new engine. He also had a cattylist bank 2 below threshold codes. Dealer also told him when he had it in for the engine diagnosis that his converters were shot. So I replaced the cats and o2...- RandyBoBandy
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- Replies: 5
- Forum: Engine & Drivetrain
