Runs Bad 1995 Buick Lesabre help me Guys

what is going on here any help would be nice guys thanks again for watching our videos

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3800 3.8L GM engine stalling issue quick fix
This is a first check if you have a GM vehicle with a 3800 engine that occasionally stalls. Sometimes the problem is as simple as cleaning an electrical connector. I cannot guarantee against unauthorized modifications of this information or improper use of this information. I assume no liability for property damage or injury incurred as a result of any of the information contained in this video. Be sure to read and follow all safety instructions for any equipment seen or implied in this video, and use safe practices when working with potentially dangerous equipment. No information contained in this video shall create any express or implied warranty or guarantee. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user.

Cleaning A Mass Airflow Sensor (MAF Sensor)
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1995 Buick Lesabre Intake Manifold Part 1: Intro
Parts Used: Intake Manifold 3.8L Upper Plastic Plenum Assembly With Gaskets 1993-1995 Model Years: creative=9325&creativeASIN=B00CMX835W&linkCode=as2&tag=aupaditoyo-20&linkId =SZ52GOENJMCQVSZO Intake Manifold 3.8L Upper Plastic Plenum Assembly With Gaskets 1996-2005 Model Years: creative=9325&creativeASIN=B00CD7DQHC&linkCode=as2&tag=aupaditoyo-20&linkId =RRA5ADM3PFNI2SYJ Lower Intake Manifold Gasket Set (For Oil Leaks): creative=9325&creativeASIN=B000CNJ060&linkCode=as2&tag=aupaditoyo-20&linkId =LAHLQTQHGU4E2UZX Upgraded Metal Water Pump Bypass Tubes (Not In The Video; But Important): creative=9325&creativeASIN=B00DGWAJDW&linkCode=as2&tag=aupaditoyo-20&linkId =Q6NQ666ML6VJAF3C

3800 series 2 engine problem
I heard some noise when i was driving home. i cant seem to find out what it is and the dealership bullshitting me