A 160* thermostat keeps the car too cold so that it never enters "closed loop" where the computer actually starts watching the O2 sensor to determine A/F ratio. Typically, most manufacturer's set "closed loop" at around 176-178*F.
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A 160* thermostat keeps the car too cold so that it never enters "closed loop" where the computer actually starts watching the O2 sensor to determine A/F ratio. Typically, most manufacturer's set "closed loop" at around 176-178*F.
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