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  1. General Discussion
    Hey Everyone, Bran new to the forum. I didn't realize i had an account so this is my first post. I recently had my traverse brought in to the dealership to perform the 50K tune up. They replaced the air fileter, cain filter, they drained and replaced the transmission fluid, performed a brake...
    catalyst system obd p0420
  2. Engine/Drivetrain
    I recently bought a Chevy traverse and within a day the check engine light came on. Code P0420 came up which I replaced the catalytic converter and there was in issue with the alternator and the something else car stayed in the shop for 2 weeks now I just got the car back and the air on the...
    p0420 p0451
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