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GENERAL DURAMILEAGE QUESTIONS
Question: What happens if my Dealership reflashes the ECM... will I loose the Duramileage Tuning?
Answer: Yes... this is just a fact of life but it does not happen often. Since I warranty the Duramileage for the life of your truck all you have to do is call me and I will send a Downloader with your Duramileage tune Free of charge.
Question: Will this void my warranty?
Answer: By federal law (Magnuson Moss Act) the Dealership is not supposed to void your warranty just because you made an aftermarket change. Your warranty manual stipulates that if the aftermarket change causes damage... they do not have to honor the warranty to make the repair.
**Magnuson Moss Act states that aftermarket equipment which improves performance does not void a vehicle manufacturer’s original warranty, unless the warranty clearly and conspicuously states that aftermarket equipment voids the warranty.
Question: Is this safe for my truck?
Answer: We have tuned over 600+ Duramax diesels without any problems to date. The tune is mild enough that it does not put stress on your drivetrain.
Question: What can I expect from your DURAMILEAGE tune?
Answer: Roughly 15-20% increase in fuel economy over what you are currently getting at 65mph highway and 10-15% city. You will also feel increase in trottle response and less turbo lag. Customers report the power gain causes their truck to shift less pull loads.
Question: Can I stack a chip... and what will happen?
Answer: If you stack a chip then you cancel out the key mileage calibrations if it is active. For example you can run a Chip on the "stock" setting and get the mileage gains. If you want power over mileage... just turn the chip up.
EZTUNER INSTALL QUESTIONS
Question: What do I do when I plug in the tuner and nothing happens?
Answer: Check lighter fuse, if it doesn't turn on then the lighter fuse is blown.
Question: I started the keypad test and I pressed yes on the first question then it says no on the second and i pushed yes again and it stopped after that. Do I have a bad keypad?
Answer: No just push the buttons that the tune says to push. Ex: If it says press no then press no, if it says press yes then press yes etc.
Question: Do I need to remove my fuses when I am downloading a new tune?
Answer: Yes.
Question: How long should the installation take?
Answer: About 7-10 minutes total.
Question: I was going through the installation process fine until it said on the screen "Do not disturb" and it stayed there for 15+ minutes. What do I do?
Answer: If it stays on that screen for over 15 minutes remove the tune and start over.
PRETUNED/CUSTOMER ECM QUESTIONS
Question: I plugged a LMM pretuned ECM and the remote start doesnt work what now?
Answer: Is your check engine light on? If so, then it needs to be shut off. Its a fail safe by Gm.
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