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96 c6000 topkick 6.0 gas running rough engine overspeed light comes on

Standard transmission. Recent tune up

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Easy to fix. Slow down just kidding.

Seriously though, it is a pain but also consider it's there for more than just safety. When these vehicles are engineered, they design them for specific use. With most trucks, they are designed for hauling stuff, instead of "hauling A**". If you see the "Overspeed" warning, then you are pushing the mechanical parts of the vehicle beyond what they were designed to do. I'd hate to see what would happen to a Tahoe if it's drivetrain failed at over 120 MPH. Wouldn't be pretty.

That of course doesn't mean you can't buy aftermarket parts to push that envelope higher, which a lot of people do. Just a bit of insight, I hope it helps you understand why you see this. Have fun!

Posted on Apr 15, 2017

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Posted on Jan 02, 2017

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