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post #1 of 5 Old 03-05-2012, 03:29 PM Thread Starter Rookie
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will a programmer of any kind void the warranty? why, or why not?
never used one so i dont know. just spent 60k on a truck that will most likely need some warranty work. i just want to be careful...
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post #2 of 5 Old 03-05-2012, 03:41 PM
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Ranges from dealer to dealer. Usually if they can't prove that the tuner is what caused the failure they will honor the warranty. But it always seems that they can make up some BS story of why a tuner will cause your truck to somehow blow up. I say tune it and get rid off all the emissions crap!
I saw spartan has a "War Hammer" tune that good for 200+ RWHP.

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post #3 of 5 Old 03-05-2012, 03:50 PM Thread Starter Rookie
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thinking about it.... just alot of money if it goes boom
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post #4 of 5 Old 03-05-2012, 05:37 PM
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I've always ran a tuner on my diesels. My 11 is staying stock it's not worth it and you can argue with ford over why it blew up for years and years. They have lots of money, attorneys and time.

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post #5 of 5 Old 03-06-2012, 08:28 AM
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Tuners change the "Tune" of the truck, So they can affect the engine and hence be the cause of a failure. Ford and most dealers will look closely for signs that "Tuning" the engine caused the failure.

There are different signs that signal that a tuner was used. The PCM and others onboard computers can save data that may indicate that you were over Turbo Boost, Running the injectors hotter than factory settings. Burn patterns on the pistons can indicate that fuel was delivered in a different ranges than factory settings. So you may pull a tuner out of the truck before you take it in for repair and the dealer can still spot that a tuner was in use.

Thats said. Installing a tuner is not automatic warranty denial. But if the signs are there that you pushed or abused the engine, Then warranty will probably not be available. And rightly so., If you want the engine to do more than what Ford designed it to do, Then you should be responsible for the repairs.

I had an Edge Evolution on my 2006 F350. My service advisor and I often discussed the feed back I got and used that data to help diagnos any problems I had. The Edge would display engine codes and I could call and ask my advisor what code xxxx referred to. I could even clear codes. Which on one occasion allowed me to start a dead engine and drive into the dealer for repairs. They never worried about that product in that truck, But then I never had any problems that were common to tuned trucks. ( I used it more as a monitor than to tune, Keeping the truck at it stock tune). If I had stretched head studs or burned a hole in a piston, I'm sure the tuner would have come into question. But the problems I had such as replacing glow plugs, wornout FCIM or HPOP were common problems for ALL trucks and not tied to the use of a tuner.

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