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I have po416, po740, po785 registering on a 1999 Chevrolet Tahoe 5.7L. what does this mean?

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I have po416, po740, po785 registering on a 1999 Chevrolet Tahoe 5.7L. what does this mean?

Vehicle: 1999 Chevrolet Tahoe 5.7L

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P0740 CHEVROLET - Torque Converter Clutch Malfunction
Read more: https://www.autocodes.com/p0740_chevrolet.html

P0785 CHEVROLET - 3-2 Shift Solenoid Circuit Electrical
Read more: https://www.autocodes.com/p0785_chevrolet.html

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