How to replace your thermostat on a 2004 TJ wrangler if you have a code P0128 engine coolant temperature is below the thermostat regulating temperature.
Gates 33009S Premium Engine Coolant Thermostat
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DEWALT XTREME 12V MAX* Cordless Screwdriver, 1/4-Inch, (DCF601F2)
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Ratchet, 3/8 inch, Bare Tool Only (DCF503B)
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