Reviewed By Larry S (Strafford, MO) Reviewed for a 1999 Volkswagen Beetle —12/12/2007 11:19 AM
I have noticed an increase of power in my smaller engine car. In some instances a slight increase in gas mileage depending on how I drive.
Reviewed By Sam O (KNOXVILLE, TN) Reviewed for a 2008 GMC Sierra —9/13/2017 5:13 PM
Up to 9 gauges at once and easy to use. Best part is you can check your check engine lights and clear the codes. And has a good maintenance reminder on all a wide variety of maintenance for your truck. The only thing I am not sure about is unplugging and replugging it in if it saves your data.