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AJonesy

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About AJonesy

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  1. I installed a 63 series K&N CAI on ‘16 Yukon 5.3. Disconnected negative term on battery, the proceeded with disconnecting factory system and installing new. Reused factory MAF. Connected negative and started up. No codes, let run for a few minutes no codes. Drove around block and nothing still. Sounded great and noticed more pickup in acceleration. Next morning I leave and while getting on freeway I get up to 4000 rpms on a 15-60mph acceleration and the engine light comes on. I cleared and drove it slow to moderate with no issues, as soon as I get on the gas for a quick acceleration, it kicks on the check engine light. Any ideas here??
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