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International Automotive Technicians Network
Re: 2001 Hyundai xg300 No long term fuel trim reading
Posted to Technical Discussion Forum on 1/6/2025

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Up to date does no good on a 24 year old car. It may actually make it worse.

That being said, I would use ANYthing else, besides Snap-On, on a pre-CAN Hyundai, or Mitsu, or Kia, or Isuzu.

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