Quote:
Originally Posted by Lethedethius
Can you use ultraguage to modify the fuel settings? I'm looking for an obd2 fuel which will enable me to lower overall hp and hopefully gain mpg in my 2004 silverado 4.3L (V6)
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No, it just reads data from the obd2 port and displays it. While you can't tune the engine with an Ultragauge, you can use it to tune the driver...