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That is NOT a good idea and I will try to explain why. The computer has to see 195 degrees to get the proper air to fuel ratio. If it is running cooler the computer sees that and keeps the mixture Rich. While running rich you are paying $4.00 a gallon for gas. If the cooling system is the problem THEN fix it.

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Q: Where can you buy a 180 degree thermostat to fit a 4.2 liter 2003 Chevrolet Trailblazer?
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