KE-Jetronic Tuning: Perfect Duty Cycle + First Drive After Full Rebuild!

After years of painstaking work, this is the moment of truth. In this final episode of my 560SL KE-Jetronic Sensors, Controls & Troubleshooting series, I share how to properly set the duty cycle—but only after ensuring every component in the KE-Jet system is functioning flawlessly.

Then... I take my 1987 Mercedes-Benz 560SL on its first drive in nearly two decades. The result? Perfect idle. Perfect mixture. Perfect drive.

All the R107 manuals and resources in one place — free and online.
👉 https://TonyLiveTV.com

This isn’t just a car—it’s a complete engine and drivetrain restoration.

✅ Covered in this series:

Idle Control System: ISCV, Idle Speed Control Unit, Throttle Position Switch

Fuel Mixture: EHA, Lambda Sensor

Ignition: EZL, CPS, Coil, Wires

Engine Management: ECU, OVP Relay, CTS & more

This is the final chapter in a playlist that documents every diagnostic and restoration step in detail.

   • 🔧 560SL KE-Jetronic Sensors, Controls & Tr...  

📌 Subscribe and check out the full playlist to see how this legend was brought back to life.

Disclosure: My videos are not sponsored. I only recommend products I’ve personally purchased and use. Some of the links below are affiliate links, which means I may earn a small commission at no additional cost to you if you purchase through them. As an Amazon Associate I earn from qualifying purchases.

The only tool I used was an Oscilloscope I purchased FNRSI 2C53P.
https://amzn.to/4jHoc7k