I Used Bugatti Veyron Parts & An Alex Trick To Fix My CL65 AMG V12! You Won't Believe What Happened!

Summary

In this video, the host attempts to diagnose and fix issues with his Mercedes CL65 AMG. Despite replacing parts like the fuel filter and adding an extra fuel pump, the car stills cuts power and goes into limp mode during wide open throttle tests. The host eventually realizes the catalytic converters seem clogged so he removes and chemically cleans them, which improves power and throttle response. However, during dyno testing the issues return, leaving the root cause still a frustrating mystery requiring further troubleshooting.

Takeaways

• 😟 The narrator is having ongoing issues with his CL65 AMG car not performing properly and going into 'limp mode'
• 👨‍🔧 He tries many things to fix it - replacing the fuel filter, fuel pump, cleaning the catalytic converters etc
• 🤔 The car seems to run well at lower speeds but has issues at high throttle
• 🔍 He uses testing equipment to monitor fuel pressure, O2 sensors, boost pressure etc to diagnose
• 😡 The car continues to underperform and go into limp mode even after all his troubleshooting
• 🧐 He suspects issues like bad throttle body or boost pressure sensors could be causing the problems
• 🏎 Takes it to a dyno but it only makes 280HP instead of expected 500+HP before going into limp mode
• 🤬 Is very frustrated and disappointed that he can't seem to fix the ongoing issues with the car
• 🔧 Will continue investigating - considers getting a new throttle body or taking it to a tuner shop
• ❓The root cause remains a mystery even after all the work done so far

Q & A

What kind of car is the narrator working on?

The narrator is working on a Mercedes-Benz CL65 AMG.

What is the main issue the narrator is trying to diagnose and fix?

The main issue is that the car goes into limp mode with flashing engine lights after 3 seconds of wide open throttle. This appears to be caused by low fuel pressure.

What was the eventual fix for the fuel pressure issue?

The narrator added a second fuel pump from a Bugatti Veyron to supplement the existing fuel pump.

Did cleaning out the catalytic converters help resolve the issue?

Yes, cleaning out the clogged catalytic converters did seem to help increase performance and reduce issues when accelerating hard.

What horsepower and torque numbers did the car put down on the dyno?

On the dyno run, the car made 280 horsepower and 470 ft-lbs torque before going into limp mode and cutting out.

What other issues came up during dyno testing?

During dyno runs, the engine started going rich right before going into limp mode, which was unusual.

What is the narrator's next step in diagnosing the problem?

The narrator plans to investigate the throttle body as a potential culprit and try replacing it.

Does the narrator resolve the issues by the end of the video?

No, by the end the root cause still has not been definitively determined or fixed.

How long has the narrator been working on trying to fix this car?

The narrator mentions he has been working on trying to fix issues with this CL65 AMG for about 5 months with no definitive resolution yet.

What is the narrator's overall sentiment about the car by the video's conclusion?

By the end, the narrator is very frustrated and disappointed with the car, feeling like he has reached a dead end diagnostically despite extensive work.