Review on π Innovative Performance Chip/Power Programmer for GMC Sierra 1500 2.7L, 3.0L, 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L, 6.2L engines - Enhance Fuel Efficiency, Save Gas & Boost MPG, Amplify Horsepower & Torque! by Abdirahman Elmer
Waste of money, reduced mileage 2mpg
Doesn't work. Installed on my 2015 GMC Sierra 5.3L V8 and it brought my mileage down and started throwing a Throttle Position Sensor DTC. Easy installation, exactly according to the instructions. Was there two weeks and was 2mpg lower than before. Turned it off and my mileage was back to normal. Unfortunately it was a waste of time and money.
- Easy install in under 15 minutes, absolutely no mechanical experience required! All power chips come with an installation kit that includes detailed installation instructions with simple step-by-step pictures! Our award-winning 5-star technical staff is on hand to offer advice and help with any questions you may have.
- Secret
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