If I was to get the chip....what would that do to gas mileage

Asked by Feb 06, 2015 at 11:54 AM about the 1993 Chevrolet Caprice LTZ

Question type: Car Customization

2 Answers

78,435

Chips don't work, the only way to improve mileage or power is to buy a re-programmer ie Diablo, Superchips, Hypertech.

375

The chips normally just "lie" to the computer, telling it that the car is colder than actual or the throttle is depressed more or less. This usually leads to more fuel and timing making the car feel quicker. It normally hurts gas milage. In fact most chips cannot affect full throttle as the computer has "hard" settings for full throttle operation.

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