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2020 Chevy Tahoe LS- EGR
After putting cataclean in the gas tank, I ran it for 15 minutes. Tahoe lost power and I had to get it towed. OBD gave P1400 and P0300. Dealer could not find anything and they could not get it running. Mechanic said it had to do with the Emissions system. They did a tune up to see if spark plugs...- Mmendez2404
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- Forum: Engine & Drivetrain
