looking for a performance upgrade
For example, if there is an engine modification which they can show caused a specific engine problem, they can't void the warranty and decide not to cover everything else not related to the issue.
Look up the Maguson-Moss Act.
Magnuson-Moss Act
Customer: "My motor blew up, it's under warranty, you should fix it"
Ford: "The tune you installed was intentionally designed to cause the motor to produce more power. Ford invests many man-years and millions of dollars to ensure the computer tuning is safe for all uses. By increasing the power output, you have put undue strain on the entire driveline - including the motor, transmission, differentials, transfer case, axles, hubs, gearsets, etc. Your warranty claim is denied."
Customer: "OMG I'll sue!"
Ford: "Our legal department can be reached at X. I am not permitted to discuss this matter with you further, since you have threatened legal action. Good day."
In short, Ford will most likely tell you to pound sand. You can try to sue... you might even win... but it's been tried before and failed more than once. Meanwhile, your truck sits somewhere, unable to be driven, as you continue to make payments and pay lawyers.
If you want to play, be willing to pay.
Customer: "My motor blew up, it's under warranty, you should fix it"
Ford: "The tune you installed was intentionally designed to cause the motor to produce more power. Ford invests many man-years and millions of dollars to ensure the computer tuning is safe for all uses. By increasing the power output, you have put undue strain on the entire driveline - including the motor, transmission, differentials, transfer case, axles, hubs, gearsets, etc. Your warranty claim is denied."
Customer: "OMG I'll sue!"
Ford: "Our legal department can be reached at X. I am not permitted to discuss this matter with you further, since you have threatened legal action. Good day."
In short, Ford will most likely tell you to pound sand. You can try to sue... you might even win... but it's been tried before and failed more than once. Meanwhile, your truck sits somewhere, unable to be driven, as you continue to make payments and pay lawyers.
If you want to play, be willing to pay.
If you re-read my first sentence, I did write LEGALLY.

And there are endless hypothetical scenarios which may or may not ever happen. But if you have a real-world experience to share, I'd be interested to hear it.



