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Engine codes 030,053,059,449 PLEASE HELP
Hey guys - thank you in advance foe helping if you can. I've had a 2007 Yukon XL since new and let my kid take it to college. Now after not knowing (or not noticing) the engine light is on and the codes are above. I'm not sure where to begin replacing sensors... And it doesn't seem to me that...- Ballloo
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- Forum: Engine & Drivetrain
