Has anyone tried those "Gas-Saver" chips? If so, do they work and where did you get it?

125

Asked by Apr 05, 2012 at 01:24 AM about the 2004 GMC Envoy XL SLE

Question type: Maintenance & Repair

1 Answer

6,765

They are a joke, they do work but also will actually decrease fuel mielage also. All they are is a resistor that goes in place of your intake air temperature sensor. What it does is tells your PCM that the air temperature is around 65 degrees, which you will get the most bang for your 4 bucks of gas.

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