Average Reviews:
(More customer reviews)Ok, so I bought this for my: 2003 Chevy Silverado Ext. cab 5.3ltr, 4x4, quadrasteer, K&N cold air intake, Fitch Fuel catalyst, using all AMSOIL fluids. I've always averaged 14.8mpg/city and around 17.5mpg/hwy (I never speed, and didn't change my driving habits for this test).
First hook up to the truck it said it needed to be updated with the internet. But the CD install program wouldn't work, kept giving an error. After calling Tech support I found out the program will only work with XP home & Vista home basic, not any higher editions or 64-bit.(this little tid-bit is not listed online or the box) So I had to use a friends older computer just to program it.
I was really looking forward to this computer making the millage go up but unfortunately it went the opposite direction. I don't tow or have any kind of dyno to check the power gains but with the fuel economy drop I had, it still wouldn't have been worth it for me. On my usual Highway trip a full gas tank was only 12.7/mpg!!! I was shocked! For the fun of it we then used it for a week in town only and only average a bit over 10/mpg. I sure wish it would have helped more with the $4/gal gas these days. So unfortunately, it really didn't work for me. I sent this back as fast as I could...
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