Manuals through 2025 now available!
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LEMON is the spiritual successor to CHARM, I recommend you try it!
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Non-Turbo
The Inlet Air Temperature Switch provides the ECM with a signal related to the temperature of air entering the engine. The signal prevents the ECM from setting trouble code 44 (lean
oxygen sensor indication) when the temperature is 0°C (32°F) or below. It is an "ON/OFF" bimetal switch that has continuity at the specified temperature.