Artur Stone Garage

I Bought This Audi to Flip... BIG Mistake?

I bought this abandoned 2001 Audi A4 for just $1000, hoping to flip it for profit… but nothing went according to plan. The car had been sitting for over 10 years, and on the very first startup I heard a strange metallic noise — something I dealt with in the previous episodes. After fixing that, new problems showed up… this time, misfires. In this video, I’ll show you how to properly diagnose misfires step by step using VCDS instead of guessing and wasting money. I also upgrade to more reliable 2.0T ignition coils from ECS Tuning and explain why they last longer on turbo engines. 👉 Parts I used from ECS Tuning: https://bit.ly/4aJXZCD We go deeper into troubleshooting a no boost issue, test the MAF (mass air flow sensor), check vacuum leaks, and go through common Audi 1.8T problems like N75 valve and airflow limitations. On top of that, I’ll show how I changed the automatic transmission fluid, serviced the transmission filter, replaced fluid in the rear differential, and fixed a check engine light caused by a catalytic converter (using an O2 spacer). This is a real Audi repair and car flipping project — with mistakes, unexpected problems, and actual solutions. Glad to share the process with you. The car still doesn’t run the way it should, and I’m continuing to track down the cause of the power loss. 🎬 Watch previous episodes: Episode 2 — https://youtu.be/MAdALH-D7XY Episode 3 — https://youtu.be/UrEXL3k356w 🚗 OTHER PROJECTS: Turbo Honda Civic — $500 Build Episode 1 — https://youtu.be/AdtOo2a0wIk Episode 2 — https://youtu.be/8fZJgSccxLA Episode 3 — https://youtu.be/2FrcpjLLQxU Episode 4 — https://youtu.be/IARqlhezDlk Stolen Lexus SC400 — Legendary 1UZ V8 Episode 1 — https://youtu.be/LVdFvgAIfxM $1000 Audi A4 — Sitting for 10 Years Episode 1 — https://youtu.be/7QIeSeVYEKM Toyota Sienna — $100 Van Project Episode 1 — https://youtu.be/1ol_9IbdVwo Episode 2 (Final) — https://youtu.be/M1yxY5Azu1A Abandoned 1979 Mustang V8 — Forgotten Muscle Car Episode 1 — https://youtu.be/4QJJnWmpp3I TIMESTAMPS: 0:00 — What happened before (project recap) 0:52 — Misfire problem starts 1:37 — How to diagnose misfires (VCDS guide) 2:22 — Upgraded 2.0T coil pack kit (ECS Tuning) 4:04 — Blow-off / diverter valve upgrade + sound test 6:44 — MAF sensor diagnostics (how to tell if it’s bad) 8:41 — Interior light upgrade 9:51 — New tires installed 10:18 — Automatic transmission fluid change + filter + pan cleaning 12:49 — Rear differential fluid change 13:31 — Smoke test + dipstick tube housing replacement (vacuum leak fix) 14:28 — Fixing P0420 / code 16804 (cheap O2 spacer solution) 15:05 — Unexpected discovery