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Discussion Starter · #1 ·
Hey all,

I had the Check engine light go off last week and took it to the dealer and they said it was a code saying I went 95 MPH of over. They said if there is a problem with the engine it would not be cover due to misuse. Has anyone ever heard such a thing?
 

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if you hit the speed limiter, it stores a code. however it wont throw a CEL.
 

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So let me get this straight. The truck has a limiter at 95 mph. If you go over 95 mph it voids the warranty. That's sounds like BS to me. How much over 95 did you go?
 

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you cant go over it, you run into it
the truck stores a code. think of it this way, if you tossed a rod out the block, and they pull a code that sh ows at the same you, you had the throttle pinned, doing almost 100, they are really going to warranty anything?
 

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Not that anyone should be going over 95....
BUT Is their anyplace one can go without breaking some rulez!!! geez.
GD lawyers!
 

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I have had the code many times stores in the PCM but no CEL. The Exhaust has thrown a couple of CEL in teh recent past.
 

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HaHaHa, I'd like to see them try to refuse warranty for that. The 95 mph limit is the safe speed of the tires. The rpm at 95 is nowhere near maxed out.
 

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Discussion Starter · #9 ·
So let me get this straight. The truck has a limiter at 95 mph. If you go over 95 mph it voids the warranty. That's sounds like BS to me. How much over 95 did you go?
Well thats part of the problem...I never went that fast. The GPS in my truck says the fastest I have gone was 86. Not that they asked for proof, I showed them the GPS. At this time they are not refusing anything.

Matt
 

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Hey all,

I had the Check engine light go off last week and took it to the dealer and they said it was a code saying I went 95 MPH of over. They said if there is a problem with the engine it would not be cover due to misuse. Has anyone ever heard such a thing?
Yes I have had this problem ! I took mine to the dealer and they said it was from driving it to hard and it threw the code because it was going over 95 for more than a minute
 

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Yes I have had this brought to my attention from the dealer in the past. He said the vehicle should not be driven over 93 mph. I said WTF??? I asked "isn't the speed limited by the tire manf. recommendations" he said no. I told him he is full of it. I did not notice any mention in the manual...

Anyway, DiabloSport has a hand held tuner for for the 6.4 and it can rais this speed limiter to somewhere in the 150 mph range. No chance of hitting it LOL.
Here is the link. BTW the extreme tune had my truck run a 14.3 1/4 mile time with a 1.85 60' time.
DiabloSport :: Gas and Diesel Tuning Systems
 
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